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Colored StonesColored Stones Colored Stones: Photos of beautiful colored stones from around the world. Ruby and SapphireRuby and Sapphire Ruby & Sapphire are gem corundums - ruby when red, sapphire when other colors. Peanut Wood?Peanut Wood Peanut Wood? Yes! It is a very interesting gem material found in Western Australia. Petrified WoodPetrified Wood Petrified Wood is a fossilized wood that often serves as a colorful gem material.
Opal PhotosOpal Pictures of Opal: A collection of different types of opal from all around the world and Mars too! Turritella AgateTurritella Agate Turritella Agate is a brown agate containing snail fossils from the Green River Formation. All About DiamondsDiamond Diamond a collection of photos, articles, facts, maps and graphs about diamonds. Organic GemsOrganic Gems Organic Gems are gems formed from or by plants or animals. They might also be fossils.
TopazTopaz Topaz is a popular birthstone and the #8 mineral in the Mohs Hardness Scale. Fee MiningFee Mining Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find. LabradoriteLabradorite Labradorite is a feldspar gem that can produce bright flashes of iridescent color. Chrysoberylchrysoberyl Chrysoberyl: an extreme gem. Its hardness is 8.5, can display chatoyance or color-change.
SpinelSpinel Spinel: The gemstone that was confused with ruby and sapphire for over 1000 years. What Is Jade?Jade Jade has been used as a gemstone and a tool-making material for for 1000s of years. Anthill GarnetsAnthill Garnets Anthill Garnets are tiny garnets that ants haul to the surface and discard on their anthill. Honest! Amazing Agate PhotosAgates Beautiful Agates: A gallery of spectacular agate photos and descriptions by Richard Weston.
US Diamond MinesUnited States Diamond Mines US Diamond Mines: Where are diamonds mined in the United States? Biggest MisconceptionDiamonds from Coal Diamonds Do Not Form From Coal: Learn several reasons why the coal origin is false. SunstoneSunstone Sunstone: A feldspar with aventurescence caused by tiny copper inclusions. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
Rock TumblersRock Tumblers Rock Tumblers are machines that slowly turn rough rock into beautiful gemstones. TurquoiseTurquoise Turquoise: A blue to bluish- green gem material that has been used for over 6000 years. CabochonsCabochons Cabochons: A photo gallery of cabochon gemstones from around the world. US Gem ProductionUS Gemstone Production U.S. Gemstone Production is very low compared to the U.S. being the largest consumer.
Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. Arkansas DiamondsArkansas Diamonds You Can Be A Diamond Miner! At the Crater of Diamonds mine you can keep what you find. AmetrineAmetrine Ametrine is a bicolor quartz (amethyst + citrine) and a gemstone of growing popularity. Blood DiamondsBlood Diamonds Blood Diamonds: Illegally-traded diamonds that may have been stolen or used to fund conflict.
KyaniteKyanite Kyanite is a metamorphic mineral that sometimes has a gemmy transparent blue color. SpodumeneSpodumene Spodumene is an ore of lithium and the mineral of the gems kunzite and hiddenite. MalachiteMalachite Malachite has served as a gem material, pigment and ore of copper for thousands of years. Facts About DiamondsDiamond Facts Facts About Diamonds: You are a diamond expert if you know all of these!
Synthetic DiamondsSynthetic Diamonds Synthetic Diamonds of spectacular quality are now being produced in labs. Iris AgateIris Agate Iris Agate can produce a rainbow of colors when light passes between its thin bands. U.S. GemstonesU.S. Gemstones United States Gemstones: Small mines in the U.S. produce a diversity of gemstones. Guatemalan JadeGuatemalan Jade Tectonic History In Jade: Dates of metamorphism and fault motion are locked in jade.
Diamond ProducersDiamond Producers Diamonds are mined in many countries and their relative importance changes frequently.      

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