Facebook
X
Instagram
RSS

Home
- Cookie Policy (ZA)
Findings
- Bails & Pendants
  - Bails
  - Charms
  - Pendants
- Beads
  - Acrylic Beads
  - Bead cap
  - Bead tip
  - Metal Beads
  - Roundels
  - Tubes
- Chain & Strings
- Clasps & Jumprings
  - Cable thimble
  - Clasps
  - Crimps
  - Jumprings
  - Tags
- Earrings & Headpins
  - Earring components
  - Head & Eye Pins
- Spacers & Others
  - Bezel
  - Keyrings
  - Spacers
Bead strings
- Chip Strings
- Gemstones
- Glass
- Shell
- Bead strings
Pearl Strings
Jewellery
- Bracelet
- Earrings
- Necklaces
- Pendants
- Rings
- Sets
- Jewellery
Beads
Rocks
- Fossils
- Gems
- Geode
- Polished rocks
- Rough rocks
- Specimens
Other
- Books
- Gift items
- Globes
- Hotfix rhinestone
- Lamps
- Packaging materials
- Tools
- Other
Birthstones
My account
Cart
Products search

Select Page

Home / Products tagged “mineral specimen”

mineral specimen

Showing all 10 resultsSorted by latest

Aura Quartz crystal cluster, assorted sizes 20 x 30mm to 50 x 54mm
R44.00
Assorted colourful aura Quartz Geode, assorted sizes 35-40mm
R42.00
Blue Aura Quartz crystal cluster, assorted sizes 30x 50.8mm to 40 x 53mm
R130.00
Heart shaped Snow-white Aura Quartz cluster, assorted sizes 75 x 65mm to 75 x 85mm
R420.00
Rough Pyrite cubes, Spain, 6-12mm
R25.00
Rough Pyrite cubes, Spain, 8-15mm
R48.00
Rough Apatite, Madagascar, 5-15mm
R8.00
Assorted rough Pyrite, China, 11-22mm
R10.00
Pyrite cluster with calcite, Kalahari Manganese Fields, 7.2 x 5 x 2cm
R720.00
Blue Lace Agate from Malawi, 2 to 5cm
R14.00

Kyanite: Nature’s Sapphire Look-Alike With a Secret
Kyanite is a gemstone that breaks the rules. At first glance, its deep sapphire-blue crystals look like they were carved from the sky itself — but the real mystery lies inside.
Why We Trust The Courier Guy for Fast & Reliable Parcel Delivery
WHO WE ARE
We have been dealing with rocks and minerals since 1992. We pride ourselves in our dedication to providing the best customer service we can. We will go out of our… Read more: WHO WE ARE

silverhillsgems

74 Scott Street, Hartbeespoort, ZA🇿🇦
Quality crystals 🔮
Coffee shop on-premise ☕️
Worldwide shipping 📦
All major payment methods including Paypal 💰

Just follow Rocky to find us... 🥰 Thank you @hart

Just follow Rocky to find us... 🥰
Thank you @harties_print_signs for our amazing signage! Great job guys... 😎👌🏽

Beautiful Opal Ring... 🥰 Just amazing!

Beautiful Opal Ring... 🥰 Just amazing!

Wat a beautiful day here in Harties... 🥰 Come s

Wat a beautiful day here in Harties... 🥰
Come see us, we ready to welcome you...

Aquamarine... 💠💫 March Birthstone... 💙 Set in 92

Aquamarine... 💠💫
March Birthstone... 💙
Set in 925 Sterling Silver... 🥰

Just a sneak peak of our Tanzanite collection... 🥰

Just a sneak peak of our Tanzanite collection... 🥰
Come check it out in store...
Can't wait to see you...
74 Scott Street Schoemansville Hartbeespoort 📍 📍

Broke a rock we found curious in our stockpile and

Broke a rock we found curious in our stockpile and found that it has garnets inside it... 🥰 Amazing!

Turquoise is an opaque, blue-to-green mineral that

Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl 6(PO 4) 4(OH) 8·4H 2O. It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.
Turquoise gemstone set in 925 Sterling Silver.
Turquoise is one of the December birthstones.

✨ Howlite – A white stone streaked with gray veins

✨ Howlite – A white stone streaked with gray veins, Howlite is a borate mineral composed of calcium, boron, silicon, oxygen, and water (Ca₂B₅SiO₉(OH)₅·H₂O).

Gem silica is desert lightning captured in stone.

Gem silica is desert lightning captured in stone.
At its heart it’s SiO₂ — pure silicon and oxygen woven into translucent chalcedony. But then copper slips in — Cu²⁺ — and suddenly the stone ignites in electric blues and lagoon greens.
Silicon builds the crystal.
Oxygen holds the lattice.
Copper paints the sky inside it.
Simple chemistry.
Magnificent color. 💫

Sodalite is the night sky carved into stone. Deep

Sodalite is the night sky carved into stone.
Deep royal blue streaked with white like drifting clouds — and under UV light, it can burst into a fiery orange glow, as if it’s hiding a secret sunrise inside.
Calm in daylight.
Electric in the dark. ✨
Sodalite has a beautifully structured and unusual chemistry.
🧪 Chemical Formula
Na₈(Al₆Si₆O₂₄)Cl₂
Let’s break that down:
Na = Sodium
Al = Aluminum
Si = Silicon
O = Oxygen
Cl = Chlorine
Sodalite belongs to the feldspathoid group.
It forms a framework of aluminum and silicon tetrahedra (AlO₄ and SiO₄) linked together in a cage-like structure.
Inside those cages:
Sodium ions sit for balance.
Chloride ions are trapped — which is unusual for silicate minerals.
That trapped chlorine is part of what makes sodalite special.

Jasper in its autumn variety looks like the earth

Jasper in its autumn variety looks like the earth decided to paint with fire.
Burnt orange, golden yellow, deep rust and forest brown swirl together like falling leaves caught in sunlight.
The autumn tones (reds, yellows, browns, oranges) come from iron impurities:
Iron oxides (Fe³⁺) → red and rust tones (like hematite)
Hydrated iron oxides → yellow to golden hues (like goethite/limonite)
Even tiny amounts of iron can dramatically change the color.
In Simple Terms:
Autumn Jasper =
Silicon dioxide + iron + time + pressure
Chemically minimal.
Geologically poetic. 🍂🔥🥰

Top class customer service... 🥰 When our client SA

Top class customer service... 🥰 When our client SAYS now make it smaller... We all grab a hammer and get too it! 😎 Go Team! Of course, I'm the cheerleader! Go Team, GO!! 🤣 YOU CAN DO IT! Team Silver Hills go for GOLD 🥇!! 🥰

Labradorite doesn’t just shine — it awakens. Tilt

Labradorite doesn’t just shine — it awakens.
Tilt it slightly, and a hidden universe flashes to life: electric blues, molten gold, deep forest greens — light trapped inside stone. This breathtaking phenomenon, called labradorescence, is caused by microscopic layers inside the crystal that scatter light like a prism.
It looks like the Northern Lights frozen in rock ✨
A dark, ordinary surface…
Until the light hits it — and magic answers.

I can play with the UV LIGHT on Nepheline Syenite

I can play with the UV LIGHT on Nepheline Syenite all day... 🥰
CHATGPT:
If your Nepheline syenite glows orange under UV light, the most likely minerals causing it are:
🥇 Most Common Cause: Sodalite
Very common in nepheline syenite.
Under UV (especially shortwave), it often fluoresces bright orange.
Even small patches can make the whole rock appear to glow.
🥈 Also Possible: Calcite
Frequently fluoresces orange to reddish-orange.
Often appears in thin veins or small white patches inside the rock.
Which one do you say it is?
CALCITE 🤍 OR SODALITE 💙?

⚠️ ‼️ ⚠️ ‼️ ⚠️ ‼️ ⚠️ ‼️COMING SOON! ⚠️ ‼️ ⚠️ ‼️ ⚠️

⚠️ ‼️ ⚠️ ‼️ ⚠️ ‼️ ⚠️ ‼️COMING SOON! ⚠️ ‼️ ⚠️ ‼️ ⚠️ ‼️ ⚠️ ‼️
This just in!
We got a shipment of tumbled stones coming in soon at a really good PRICE!
We are selling per kg !!
Limited stock available!
Available for online and in store purchases.
📍 📍 📍 74 Scott Street Schoemansville Hartbeespoort 📍 📍 📍
OR
🌍 🌏 🌎 www.bronnrocks.co.za 🌎 🌏 🌍
#silverhillsgems #crystals #rockshop #gems #werock #wesell #tumbled

Just came to say hello to this beaut as I came int

Just came to say hello to this beaut as I came into the shop... 🥰
Come visit us soon, the video does not do her justice at all...
74 Scott Street Schoemansville Hartbeespoort 📍 📍 📍
#silverhillsgems #crystals #rockshop #gems #werock #wesell

Just a pretty little fossil parading on a Monday m

Just a pretty little fossil parading on a Monday morning... 🥰
Available for online and in store purchases.
📍📍 📍 74 Scott Street Schoemansville Hartbeespoort 📍 📍 📍
OR
🌍 🌏 🌎 www.bronnrocks.co.za 🌎 🌏 🌍
Also check out our YouTube channel : TheRockShop@Harties.
#silverhillsgems #crystals #rockshop #gems #werock #wesell

The amount of detail and beauty found in this smal

The amount of detail and beauty found in this small Agate bead is so amazing! 🥰 We love...
Agates are so fascinating, I can't get enough... Every piece is so different and special...
Available in store and online...
📌 74 Scott Street Schoemansville Hartbeespoort 📌
OR
🌍 www.bronnrocks.co.za 🌍
Also view our YouTube channel TheRockShop@Harties for amazing and intriguing videos on Agates as well as other minerals...
#silverhillsgems #crystals #rockshop #gems #werock #wesell #nowinstore

I am OBSESSED ! 🥰 SHOP NOW! 🌍 🌏 🌎 www.bronnrocks

I am OBSESSED ! 🥰
SHOP NOW!
🌍 🌏 🌎 www.bronnrocks.co.za 🌎 🌏 🌍
OR
Come see us!
📍 📍 📍 74 Scott Street Schoemansville Hartbeespoort 📍 📍 📍
#silverhillsgems #crystals #rockshop #gems #werock #wesell #nowinstore

‼️❣️‼️❣️‼️❣️‼️❣️‼️THIS JUST IN ‼️❣️‼️❣️‼️❣️‼️❣️‼️

‼️❣️‼️❣️‼️❣️‼️❣️‼️THIS JUST IN ‼️❣️‼️❣️‼️❣️‼️❣️‼️
As promised, the Big Boss came through for us... We got these beautiful double terminated quartz from Ceres, Western Cape... 🥰
We still in the process of sorting and cleaning but I had to show you all... Shhh!! 🤫🤫 Don't tell the boss I showed you... 🤣 It will be our little secret... 😊
Come see what else we have in store!
Can't wait to see you... 😎
📍 📍 📍 74 Scott Street Schoemansville Hartbeespoort 📍 📍 📍
OR
🌍 🌏 🌎 www.bronnrocks.co.za 🌎 🌏 🌍
#silverhillsgems #crystals #rockshop #gems #werock #wesell #nowinstore

Follow on Instagram

Avoid getting stranded, scammed, or caught off guard. In this video, we break down the 17 absolute must-know China travel tips for 2026—from navigating the digital landscape to surviving local customs.
Detailed Overview:
Traveling to China is an incredible adventure, but it operates on a completely different system than the rest of the world. If you don't prepare before you land, you won't be able to pay for food, access your favorite websites, or even find a western-style bathroom.
We’re covering everything from the cashless economy and essential tech setups to daily cultural shocks you will face on the ground. Whether you are visiting Beijing, Shanghai, Guangzhou, or rural provinces, these 17 survival tips will save you time, money, and stress.
👇 TIMESTAMPS 👇
0:00 - Introduction: The Reality of Traveling China
0:45 - 1. Getting Connected: eSIM vs Local SIM Cards
1:30 - 2. The Great Firewall: Which VPN Actually Works?
2:15 - 3. Power Banks & Charging on the Go
3:00 - 4. Bathroom Culture: Mastering the Squat Toilet
3:45 - 5. Communication: Essential Translation Apps & Services
4:30 - 6. Drinking Water: Why You Can't Trust Tap Water
5:15 - 7. Accommodation Realities: Surviving Hard Beds
6:00 - 8. Cultural Adjustments: Understanding Personal Space in China
6:45 - 9. Tipping Culture: Why You Should NOT Leave a Tip
7:30 - 10. Dining Out: How Paying for Food Bills Works
(Note: You can fill in the remaining 7 points here based on your final edit!)

17 Important things to know before visiting China

I had a 12-hour layover to see if it’s still the same city I remember. Spoiler alert: It’s even better, though the tropical heat and humidity are just as intense as ever! I haven’t been to Singapore in 26 years, and let me tell you—the city has transformed into something out of a sci-fi movie!
In this vlog, I’m maximizing every minute of my Singapore layover. I started my morning at the iconic Gardens by the Bay, wandering through the Supertree Grove before the midday sun hit. After exploring the city, I headed to Chinatown, where I was lucky enough to catch a traditional Lion Dance performance—a beautiful reminder of the culture that stays strong amidst all the new skyscrapers.
As the sun went down, I headed back to the water to see the Merlion at night and caught the stunning evening light show at the Gardens. If you have a long layover in Singapore, this is how you see the best of the city in one day!
In this video:
Gardens by the Bay (Morning vs. Night)
Exploring the vibrant streets of Chinatown
Watching a traditional Chinese Lion Dance
The Merlion Park at night with the city skyline
Tips for surviving the Singapore humidity Gear used: DJI / Oppo
Editing: Shotcut / CapCut
#Singapore #TravelVlog #SingaporeLayover #GardensByTheBay #ChinatownSingapore #Merlion #VisitSingapore #Travel2026 #LionDance

Singapore: Was Leaving Changi Airport a Mistake?

Be amazed as you see what it takes to turn raw, rugged rock into perfectly smooth, glass-like gemstones? In this video, we take you behind the scenes of a massive industrial lapidary operation to show you the exact journey of African Tiger's Eye from the crusher to the final polished product!
Here is the step-by-step breakdown of how we process these incredible minerals:
* *The Big Crush:* We start at the industrial crusher, breaking down a massive *20 tons of raw Tiger's Eye* into smaller, manageable sizes.
* *The 1.5-Ton Tumbler:* Using a forklift, the crushed stone is loaded into a huge *1.5-ton rotating barrel tumbler* along with silicon carbide grit. This beast runs continuously for *7 to 14 days* just to smooth down the sharpest edges!
* *The Deep Clean:* The stones are transferred to massive, modified cement mixers to be thoroughly washed *3 separate times*.
* *First Quality Control:* The washed stones hit the sorting tables, where the human eye takes over to hand-sort and discard any flawed material. Only the best stones make the cut.
* *The Fine Polish:* The selected high-quality material moves into vibrating tumblers—loaded with *600 kg* of stone each—where they run for another full week until they achieve a brilliant shine.
* *Final Inspection & Lock-In:* After one last wash, every single tumble is hand-checked a second time to ensure perfection. Finally, a light waxing treatment is applied to lock in that deep, signature Tiger's Eye flash forever.
### 💬 Let's Chat!
Let me know if you like this video! Drop a comment below with your thoughts, and feel free to ask any questions about the tumbling process, the machinery, or the minerals.
*Don't forget to like, subscribe, and hit the notification bell for more behind-the-scenes mineral sourcing and lapidary content!*

From Rough Rock to Gemstone: 12,500 kg of Tiger's Eye

Nature hides some of its best secrets in plain sight. In this video, we explore the magical world of UV-reactive rocks and minerals. We'll show you exactly how different specimens react to different ultraviolet wavelengths, turning vibrant shades of neon green, hot pink, intense blue, and fiery orange.
Whether you're a seasoned mineral collector, a gemstone enthusiast, or just love the wonders of geology, you won't want to miss these stunning transformations!
If you enjoyed seeing this hidden side of nature, don't forget to LIKE this video, SUBSCRIBE to the channel, and hit the notification bell so you never miss an episode! 🔔
🔗 VISIT OUR STORES & CONNECT WITH US
Looking to add some incredible minerals, spheres, or gemstones to your own collection? Check out our online shops:vTheRockshop: www.bronnrocks.co.za
Silver Hills Gems: 74 Scott Street, Hartbeespoort
📲 Follow Us on Social Media:
Instagram: https://www.instagram.com/silverhillsgems/
Facebook: https://www.facebook.com/GerdusBronnArt
TikTok: @brotherbronn
🔬 GEAR USED IN THIS VIDEO
UV Torch
Camera: DJI Action 5 Pro
Drone footage by: DJI Neo2

Mind-Blowing UV Minerals: What Rocks Look Like Under Blacklight! ✨🔦

Be amazed as you see what it takes to turn raw, rugged rock into perfectly smooth, glass-like gemstones? In this video, we take you behind the scenes of a massive industrial lapidary operation to show you the exact journey of African Tiger's Eye from the crusher to the final polished product!
Here is the step-by-step breakdown of how we process these incredible minerals:
* *The Big Crush:* We start at the industrial crusher, breaking down a massive *20 tons of raw Tiger's Eye* into smaller, manageable sizes.
* *The 1.5-Ton Tumbler:* Using a forklift, the crushed stone is loaded into a huge *1.5-ton rotating barrel tumbler* along with silicon carbide grit. This beast runs continuously for *7 to 14 days* just to smooth down the sharpest edges!
* *The Deep Clean:* The stones are transferred to massive, modified cement mixers to be thoroughly washed *3 separate times*.
* *First Quality Control:* The washed stones hit the sorting tables, where the human eye takes over to hand-sort and discard any flawed material. Only the best stones make the cut.
* *The Fine Polish:* The selected high-quality material moves into vibrating tumblers—loaded with *600 kg* of stone each—where they run for another full week until they achieve a brilliant shine.
* *Final Inspection & Lock-In:* After one last wash, every single tumble is hand-checked a second time to ensure perfection. Finally, a light waxing treatment is applied to lock in that deep, signature Tiger's Eye flash forever.
### 💬 Let's Chat!
Let me know if you like this video! Drop a comment below with your thoughts, and feel free to ask any questions about the tumbling process, the machinery, or the minerals.
*Don't forget to like, subscribe, and hit the notification bell for more behind-the-scenes mineral sourcing and lapidary content!*

Tumbling 12,500 kg of Raw Tigers Eye!

Is it a brilliant business move, or an absolute gamble? 🤔
In this video, I’m taking you back to the exact same yard where I previously sourced 14 tons of rock. This time, I committed to something completely different: acquiring approximately 130 unique gemstone spheres from a factory that just closed down.
With an already packed shop, why did I do it? Because every single one of these spheres is a unique geological happening. From incredible banding to rare mineral inclusions, no two are exactly alike.
Watch as I wrap, transport, and try to solve a massive logistical puzzle back at the shop. After a serious amount of shuffling and rearranging, I’ve managed to free up enough space to get about two-thirds of them onto the shelves. Will they sell? Will I make a profit? It’s hard to tell, but the sheer beauty of these pieces made it impossible to walk away.
If you are nearby, you’ll have to come visit the shop in person to see them on the shelves and find out which one is your absolute favorite!
Which sphere caught your eye the most in today's video? Let me know in the comments below! 👇

Turning 14 Tons of Raw Stone Into Priceless Crystal Spheres

A futuristic treat in the heart of Guangzhou! Today we are walking down the famous Beijing Road (Beijing Walking Street) on a hunt for authentic Chinese street food, but we stumbled across something completely unexpected—a fully automated robot ice cream kiosk!
For just ¥9.90, this robotic arm handles the entire process, scooping and serving up soft-serve ice cream right on the bustling night market street. Is it just a high-tech novelty, or is the ice cream actually good? Watch to see the full taste test!
Beijing Road is famous for its vibrant evening atmosphere, incredible shopping, and endless rows of traditional local snacks, but seeing this level of automation blended right into the local street food culture shows just how futuristic modern China really is.
Have you ever had food made entirely by a robot? Let me know in the comments below!

Most Famous StreetFood… And My Mouth Is ON FIRE! 🌶️

In today’s video, we are jumping on the Guangzhou metro from Liwan Plaza and heading straight to the bustling Taikang Fashion Jewelry Mall!
While Taikang Mall is famous for massive floors of alloy-based fashion jewelry and sparkling Cubic Zirconia (CZ), we are on a very specific mission today. We aren't buying the standard fashion pieces—instead, we are heading straight up to the 4th floor to hunt down high-quality, durable stainless steel jewelry and bulk chain for Silver Hills Gems back in South Africa!
Join me for a fast-paced, authentic walkthrough of the vibrant stalls, a sneak peek at the incredible variety on offer, and a look at what it’s really like to navigate one of Guangzhou's premier accessory hubs.
If you love the behind-the-scenes of jewelry sourcing and international trade, don't forget to LIKE, COMMENT, and SUBSCRIBE for more sourcing adventures!

4 floors of fashion Jewelry

I haven’t been to Singapore in 26 years, and let me tell you—the city has transformed into something out of a sci-fi movie! I had a 12-hour layover to see if it’s still the same city I remember. Spoiler alert: It’s even better, though the tropical heat and humidity are just as intense as ever!
In this vlog, I’m maximizing every minute of my Singapore layover. I started my morning at the iconic Gardens by the Bay, wandering through the Supertree Grove before the midday sun hit. After exploring the city, I headed to Chinatown, where I was lucky enough to catch a traditional Lion Dance performance—a beautiful reminder of the culture that stays strong amidst all the new skyscrapers.
As the sun went down, I headed back to the water to see the Merlion at night and caught the stunning evening light show at the Gardens. If you have a long layover in Singapore, this is how you see the best of the city in one day!
In this video:
Gardens by the Bay (Morning vs. Night)
Exploring the vibrant streets of Chinatown
Watching a traditional Chinese Lion Dance
The Merlion Park at night with the city skyline
Tips for surviving the Singapore humidity Gear used: DJI / Oppo
Editing: Shotcut / CapCut
#Singapore #TravelVlog #SingaporeLayover #GardensByTheBay #ChinatownSingapore #Merlion #VisitSingapore #Travel2026 #LionDance

12 Hours in Singapore: Was Leaving Changi Airport a Mistake?

Facebook
X
Instagram
RSS

Designed by Elegant Themes | Powered by WordPress

Manage Consent

To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.

Functional Functional Always active

The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.

Preferences Preferences

The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.

Statistics Statistics

The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.

Marketing Marketing

The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.

Manage options
Manage services
Manage {vendor_count} vendors
Read more about these purposes

View preferences

{title}
{title}
{title}

Products search