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Home / Default Category / Page 191

Default Category

Showing 3991–4011 of 4402 resultsSorted by latest

Aquamarine, cushion cut, 1.015ct, 6.5mm
R240.00
Aquamarine, cushion cut, 0.975ct, 6mm
R199.00
Aquamarine, cushion cut, 0.89ct, 6mm
R199.00
Aquamarine, cushion cut, 1.28ct, 6.5×8.5mm
R260.00
Aquamarine, cushion cut, 1.830ct, 8mm
R460.00
20 x Cable end crimp, 8x5mm
R10.00
Nickel free lobster clasp, gold color, 15mm
R9.00
Nickel free bar & toggle clasp, 36mm
R25.00
Nickel free curved cross spacer, multi-string, 32mm
R20.00
Nickel free curved cross spacer, 44mm
R14.00
2 x Nickel free infinity link, 14mm
R10.00
2 x Nickel free Rosary link, 18mm
R14.00
Nickel free spacer, circles, 18mm
R11.00
Nickel free bead spacer, squares, 18mm
R10.00
Nickel free oval bead spacer, 20mm
R9.00
Nickel free bead, filigree design, 10mm
R10.00
Nickel free lobster clasp, 16mm
R8.00
4 x Nickel free lobster clasp, 12mm
R12.00
Nickel free signoretti clasp, 12mm
R8.00
6 x Nickel free bead, 10mm
R4.00
50 x Jumpring in stainless steel 0.6 x 4mm
R7.50

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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 💰

In case you needed anymore reason to come visit us

In case you needed anymore reason to come visit us, Harties was chosen as Town of the year 2026! 😎 Come see why... Congratulations Harties!

We've been quiet for a while... But now you unders

We've been quiet for a while... But now you understand why... We had to have something extremely spectacular to share and now we finally have it! 🥰
Look at the size of this beauty next to our boss, Gerdus Bronn, who was able to acquire the piece and we hope he tells us more about it on our YouTube channel...
#amethyst #geode #silverhillsgems

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

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$Can a clear crystal split a beam of light in two—and help ancient navigators cross open oceans? In this video, we explore the fascinating optical phenomenon of double refraction (birefringence) in optical calcite, historically known as Iceland Spar. When light passes through the crystal’s unique trigonal lattice, it splits into two separate rays—the ordinary and extraordinary ray—creating two distinct images. We dive into the history and science behind this incredible mineral, including: What causes double refraction: How calcite's crystal structure bends light at two different speeds. The Viking Sunstone theory: How Norse navigators may have used calcite to pinpoint the sun through dense fog and overcast skies using polarized skylight. Modern technology: How calcite polarization paved the way for William Nicol’s prisms, polarizing microscopes, optical isolators, and modern LCD display tech. TIMESTAMPS 00:00 – Introduction: The Doubling Crystal 01:15 – How Double Refraction Works (Birefringence Explained) 03:40 – Iceland Spar & The Viking Sunstone Legend 06:10 – How Polarized Light Navigation Works 08:35 – From Calcite to Modern Optical Tech 10:45 – Demonstration & Conclusion DISCUSS & CONNECT Have you ever tested an Iceland spar crystal or seen double refraction in person? Let us know in the comments below! If you enjoyed exploring the intersection of geology, physics, and history, don't forget to Like, Subscribe, and hit the notification bell for more deep dives into fascinating minerals and Earth science.$

This Clear Rock Has Superpowers (Iceland Spar)

From rough earth to precise engineering, quartz crystals possess a unique physical property called piezoelectricity. When an electric current passes through a tiny, precisely cut quartz tuning fork inside a watch movement, it vibrates at an exact frequency—typically 32,768 times per second. That consistent pulse is what drives the gears and keeps modern quartz watches accurate to within seconds a month.
In this video, we explore the science, history, and beauty behind how one of nature’s most common crystals revolutionized the watchmaking industry and standard timekeeping forever.
What You’ll Discover:
The natural structure and origins of quartz crystals
How the piezoelectric effect generates precise electrical frequencies
The inner workings of a quartz watch movement
Why quartz forever changed modern horology
If you enjoyed this breakdown, don't forget to Like, Subscribe, and leave a comment below sharing your favorite watch or crystal in your collection!

Why Time Stopped Making Sense Without This Mineral

How does an emerald connect to spacecraft, satellites and NASA's James Webb Space Telescope?
The answer is BERYLLIUM.
Emerald is a variety of the mineral beryl — a mineral containing beryllium, one of the lightest structural metals. Beryllium's unusual combination of low weight, stiffness and stability under extreme temperatures makes it incredibly valuable for aerospace and space technology.
In this video, we explore:
• What emerald is actually made of
• The connection between emerald, beryl and beryllium
• How beryllium is extracted from minerals
• Why beryllium is useful in aerospace engineering
• How NASA uses beryllium in space technology
• Why the James Webb Space Telescope uses beryllium mirrors
• How a beautiful gemstone connects geology with modern engineering
From gemstones beneath our feet to technology operating millions of kilometres from Earth, this is the surprising story of beryllium.
Subscribe to Rockshop Harties for more videos about rocks, minerals, gemstones, geology and the science hidden inside them.
#Emerald #Beryllium #Gemstones #Geology #JamesWebbSpaceTelescope

How Emerald Becomes a Space-Age Metal | Beryllium Explained

Did you know one of the world's most stunning chatoyant gemstones began its life as deadly blue asbestos? 🐅✨ Discover the fascinating geological transformation of Tiger’s Eye—from hazardous crocidolite fibers deep underground to the gleaming, silky mineral loved by collectors worldwide.
📌 What You’ll Learn in This Video:
The Asbestos Origin: How toxic crocidolite (blue asbestos) acts as the fibrous template for Tiger's Eye.
Silicification & Pseudomorphism: How silica-rich fluids gradually replace amphibole fibers over millions of years while locking in that mesmerizing cat’s-eye "chatoyancy."
How the Colors Form:
💙 Hawk’s Eye (Blue): The original, un-oxidized stage where preserved crocidolite fibers retain their natural blue-gray hue beneath quartz.
💛 Golden Tiger’s Eye: The iconic golden-brown shade created when iron within the fibers oxidizes into limonite during silica replacement.
❤️ Bull’s Eye (Red): The deep crimson hue formed when natural geothermal heat (or heat treatment) further oxidizes iron into hematite.
Safety & Handling: Why polished Tiger's Eye is completely safe to wear and display, and what precautions to take when cutting raw material.

The Deadly Origin of Tiger’s Eye Gemstones

In 1901, the Prince of Wales (later King George V) visited Bancroft, Ontario, to see its world-renowned sodalite deposits firsthand.
In this video, we explore the history, geology, and fascinating story behind Canada’s most famous sodalite quarry!
In this video, you’ll learn:
The full historical story of the 1901 royal mine visit
What makes Bancroft sodalite so unique compared to other deposits
Essential gemological facts and mineral characteristics of sodalite
Don't forget to LIKE, COMMENT, and SUBSCRIBE for more mineralogy, lapidary, and gemology content! 💎🔨

How a Princess Sparked a Global Mineral Rush

Did you know a future King traveled across the world for a blue rock? 👑 In 1901, the Prince of Wales (later King George V) visited Bancroft, Ontario, to see its world-renowned sodalite deposits firsthand.
In this video, we explore the history, geology, and fascinating story behind Canada’s most famous sodalite quarry!
In this video, you’ll learn:
The full historical story of the 1901 royal mine visit
What makes Bancroft sodalite so unique compared to other deposits
Essential gemological facts and mineral characteristics of sodalite
Don't forget to LIKE, COMMENT, and SUBSCRIBE for more mineralogy, lapidary, and gemology content! 💎🔨

I Shined a UV Light on Sodalite… You Won’t Believe What Happened

Did you know a future King traveled across the world for a blue rock? 👑 In 1901, the Prince of Wales (later King George V) visited Bancroft, Ontario, to see its world-renowned sodalite deposits firsthand.
In this video, we explore the history, geology, and fascinating story behind Canada’s most famous sodalite quarry!
In this video, you’ll learn:
The full historical story of the 1901 royal mine visit
What makes Bancroft sodalite so unique compared to other deposits
Essential gemological facts and mineral characteristics of sodalite
Don't forget to LIKE, COMMENT, and SUBSCRIBE for more mineralogy, lapidary, and gemology content! 💎🔨

Sodalite,I Shined a UV Light on Sodalite… You Won’t Believe What Happened

Cleaning 400 kilograms of raw Spirit Quartz is a massive undertaking, but doing it in the dead of winter brings a whole new set of challenges!
In this episode, we tackle a huge batch of crystals from start to finish. After 10 full days sitting in cold oxalic acid baths under a weak winter sun, it’s finally time to unpack, powerwash, and inspect the results piece by piece. Did the acid do its job, or did the cold weather ruin the batch?
Join me in the shop as we:
Powerwash away the heavy clay, sand, and dissolved iron rust 🧼
Test and inspect the cleaned Spirit Quartz under the shop lights 🔮
Weld custom steel stands for some of our showcase pieces 👨‍🏭
Assemble a handmade amethyst gemstone tree on a custom wire frame 🌳
Cut stone bases using the lapidary saw so the crystals stand tall ✂️
Sort the final batch by grade and show off the wins (and a few failures) 💎
If you love rockhounding, lapidary work, crystal cleaning, and behind-the-scenes shop builds, don't forget to Like, Subscribe, and hit the notification bell for more daily rockshop content!
CHAPTERS:
0:00 - Pre-Washing 400kg of Spirit Quartz
0:45 - The Winter Acid Bath Problem
1:30 - Welding Custom Display Stands
2:15 - Finishing an Amethyst Gemstone Tree
3:00 - Cutting Crystal Bases on the Saw
3:45 - The Big Unpack & Powerwash Reveal
4:30 - Piece-by-Piece Quartz Inspection
6:00 - Final Sort & Display Setup
💬 Question for you: How do you handle cold-weather chemical cleaning in your shop? Got any tips for keeping those acid baths warm when the sun isn't cooperating? Let me know in the comments below!

Powerwashing 400kg Of Crystals! (Did The Acid Cleaning Fail?)

We just got back home with an epic 400 kg haul of raw quartz, but things took a wild turn fast!
I launched the drone to get some incredible B-roll of the delivery, only to fly it straight into the tree and completely write it off... 🤦‍♂️💥
With the drone out of commission, it was time to assess the real priority: checking if 400 kg of fresh crystals survived the bumpy ride home! We set up at the washbay to unpack and inspect every piece. Hit subscribe to see how this massive haul turns out after we wash off the dirt! 💎

rone Crash & 400kg Quartz Crystal Unboxing! 🚁💥

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