Russ Behnke This inch polished end of an azurite and malachite stalagmite is from the 1884 find in Morenci, Arizona which was described by Tiffany and Company's George F. Kunz in his "Gems and Precious Stones of North America.
Green jade is a sacred stone of Asia. Malachite grows in layers of tiny crystals. Its colors correlate with different crystal sizes: small crystals form light green bands and larger crystals make darker ones.
Geode / Mineral Friends Geodes are created when gasses become trapped in the layers of rock - usually volcanic rocks. Crystalline structures form on the inside, surrounded by harder minerals - for example amethyst surrounded by agate.