Size 14 x 10 x 6 cm -Weght - 542 grams A large, stunning specimen Gray green adamite crystals in limonite stunning shiny pure crystals, The contrast of the yellow-red color of the limonite makes the specimen visually striking.From ''Hilarion'' Mine, Kamariza Mines, Agios Konstantinos, Lavrion Mining District, Lavreotiki, East Attica, Greece will be sent with a security number It was named in honor of the French Mineralogist Gilbert Joseph Adam. Adamite is a zinc arsenate hydroxide mineral, It is a mineral that usually occurs in the oxidized or dried zone above zinc ore occurrences. Pure adamite is colorless, but it is usually yellow due to admixture of Fe compounds. Green shades also occur and are associated with copper substitutions in the mineral structure.