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Gallery By Letter A
Actinolite (calcium magnesium "iron" silicate)
ADAMITE (zinc arsenate hydroxide)
Albite (mixtures of sodium and calcium aluminum silicates)
ALEXANDRITE (variety of Chrysoberyl- beryllium aluminum oxide)
Amethyst (variety of Quartz- silicon oxide)
Aquamarine (variety of Beryl, berylium aluminum silicate)
ARSENIC (As)
Artifacts(Stone)
Aurichalcite (basic carbonate of zinc and copper)
AUTUNITE (hydrated calcium uranyl phosphate)
Azurite(copper carbonate hydroxide)
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