Would love to see this One of the world’s largest amethyst geodes, the Empress of Uruguay, is located in Australia’s Crystal Caves. It stands an alarming eleven feet tall and is filled with magnificent, deep violet crystals.
∆ Topaz...The name topaz comes from the Sanskrit and means fire. During the Middle Ages topaz was thought to heal both physical and mental disorders and prevent death. The Greeks believed it had power to increase strength and to make its wearer invisible while the Romans believed it had power to improve eyesight. The Egyptians wore it as an amulet to protect them from injury.
Malachite (Copper Carbonate Cu2 (CO3) (OH) 2) is a beautiful green color. It has various shades. Important deposits are in the Urals, the Democratic Republic of the Congo, Chile, Namibia and Australia. The sample presented here is the cut of a stalagmite from the Katanga copper belt, south of the Democratic Republic of Congo and northern Zambia. (Thanks, Google Translate.) Image credit: Bruno Cupillard.