Annabergite

specimen number:
2102135

location:
Kamariza Mines, Lavrion, Attica, Greece

description:
Brilliant green crystals to 0.2 cm in size throughout matrix. In good condition. Nice example for the species.

The Kamariza mines in the Lavrion district of Greece are part of one of the oldest mining regions in the world, with activity dating back to ancient Greek times when silver and lead were extracted to support the economy of Athens. Mining continued through Roman and later periods and was revived on a large scale in the 19th century with modern underground workings and processing facilities. The deposits occur in carbonate rocks with complex hydrothermal mineralization. The district is well known among collectors for a wide variety of mineral specimens from the oxidized zones, making Lavrion, including Kamariza, one of the most famous mineral localities in Europe.

Annabergite is a hydrous nickel arsenate mineral commonly recognized for its bright apple green color and earthy to crystalline appearance. It typically forms as a secondary mineral in the oxidation zones of nickel bearing ore deposits, where it develops through the alteration of primary nickel minerals in the presence of arsenic.

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