Natural Azurite Geode from Russia DM364 spessartine these aragonite crystals glow a

these aragonite crystals glow a brilliant orange-pink

in Jurassic limestone from about 160 million years ago

The term "Japan Law" comes from the frequent occurrence and notable discovery of such crystals in Japan

This green glass is said to be formed as a result of heat from an asteroid impact on Earth 15 million years ago

Green Fluorite on Muscovite

Natural Azurite Geode from Russia DM364 spessartine these aragonite crystals glow aNatural Azurite Geode from Russia Approx. Dimensions: 1. 5x1. 25x1 inches Approx. Weight: 29. 2 grams Locality: Mikheevskiy Mine, Outer Urals, Russa This azurite specimen from the Mikheevskiy Mine, Russia features the rich, deep blue color that makes azurite one of the most visually striking copper minerals. Well defined crystals and crystal aggregates from this locality often show sharp edges and a strong vitreous luster, creating specimens with