Microcrystalline Amethyst Specimen ed10ce8492811be02f7a425d8730a8ae and eyes on top of

and eyes on top of the head to easily spot predators

it may very well have been that Neanderthal and Modern Man could have seen each other's camp fires between the Straight of Gibraltar

The gold-colored crystals inside are calcite

Fluorite is actually fluorescent and will glow when illuminated with an ultraviolet light source

Much of a Crinoids vital organs

Microcrystalline Amethyst Specimen ed10ce8492811be02f7a425d8730a8ae and eyes on top ofAmethyst 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