Vera Cruz Amethyst Cluster on Matrix Amber Fossils The word iridescence is derived

The word iridescence is derived from Iris

meaning misshapen

spherulitic rosettes composed of many tiny

These bacteria are credited for the creation of most of the Earth's oxygen

Cactus Quartz is in varieties of Amethyst

Vera Cruz Amethyst Cluster on Matrix Amber Fossils The word iridescence is derivedAmethyst is a variety of quartz which owes its coloration to the presence of iron in the area of its formation. The word Amethyst is derived from ancient Greek meaning "intoxication". It was believed by both ancient Romans and Greeks, if they wore Amethyst or made their goblets of the material, it would help prevent them from becoming intoxicated. Amethyst has been used in jewelry making for centuries. Spectacular, priceless carvings dating to the