Some interesting facts about Gemstones that you might not have known! 

 

  • Sapphires come in all colors of the rainbow
  • You should never clean Iolites with an ultrasonic cleaner
  • Amethysts and Citrines are the same mineral, only different colors, and excessive heat can change the color from one to the other
  • an Aquamarine and an Emerald are the same mineral
  • you can dig for diamonds in Arkansas at the Diamond Crater National Park
  • Violet-blue Iolite has the same polarizing capability as a pair of sunglasses, and the Vikings used to carry Iolite with them and look through it to find the sun on a cloudy day


  • when Sapphires have a pinkish to pinkish-red hue they are called "Pink Sapphire," but when the dominant hue becomes red, they are called "Rubies"
  • Ancient Greeks named Amber from the word "electron" because if rubbed, Amber gives off static electricity
  • Fossilized tree sap must be at least 30 million years old to be considered Amber
  • If you sand Malachite it can give off a poisonous dust
  • Obsidian is a natural glass formed during volcanic eruptions
  • Beautiful blue-violet Tanzanites come out of the ground colorless, and must be heated to attain their beautiful depth of color
  • Tourmalines and quartz will develop an electrical charge when heated, and tourmaline jewelry will attract dust when displayed under hot lights

  


  • There is no such thing as "Jade" - green "Jade" is actually either one of two different minerals, Jadeite and Nephrite, and Jadeite is the more valuable of the two
  • The second most valuable color of Jadeite is lavender
  • You can dig and pan for colored gemstones such as Emerald, Aquamarine, Moonstones, Garnet, Citrine, Amethyst, Ruby, and Sapphire at Gem Mountain, in Spruce Pine, North Carolina
  • There is a new man-made brilliant white stone called Moissanite, which can fool a jewelry store Diamond tester
  • The big "Ruby" in the royal crown of England is actually a red Spinel
  • Ivory imitations are carved from corozo nuts, tagua nuts and duom palm nuts
  • If allowed to sit in moist or humid conditions too long, Hematite jewelry has such a high iron content it will actually rust
  • Black Jet, made popular for use in jewelry by Queen Victoria in the 19th century, is actually a type of fossilized coal formed 180 million years ago from dead trees
  • It takes one to three years to grow a cultured Pearl


 

  • Goldstones are not stones at all - they are actually glass containing copper crystals that give it aventurescence (quick bright flashes of light)
  • "Black Onyx" is actually orange and brown Sardonyx that has been dyed black, and should be cleaned carefully to avoid removing the dye and dulling this porous Quartz
  • Cultured Pearls are made by inserting a small shell bead into an oyster as an irritant, and waiting years for the oyster to cover the bead with its luscious nacre
  • Amethysts can fade if exposed to too much sun
  • Historically, before science could tell minerals apart, all yellow stones were called "Topaz"
  • They were synthesizing Rubies in the late 1800's and actually charging more for them than the real thing
  • Pearls, by law, must be called "cultured Pearls" unless they are completely natural, and most Pearls sold today are cultured (made with help from man)
  • a "Herkirmer Diamond" is actually made of Quartz
  • "Smokey Topaz" is not a Topaz at all - its a misnomer for brown Quartz
  • Radiation causes Diamonds to turn green
  • Some Diamonds are artificially (and safely) irradiated to achieve a green color - but early on, before the process was refined, some green Diamonds were actually made radioactive and are confiscated by the U.S. Government if found today
  • A new process has been recently developed to achieve a green color in Diamonds using just pressure and heat
  • In ancient times the term "Sapphire" meant all blue stones, but usually meant Lapis Lazuli - which was considered the most expensive stone in the world


 

Feel free to comment with more fun facts!! =)