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