Annabergite from KM-3 Mine, Greece

Annabergite mineral specimens from KM-3 Mine, Lavrion, Greece

Annabergite is a rare nickel arsenate mineral with a beautiful apple green color. It is often found as a coating on other nickel minerals, but can also form as crystals.

Annabergite is a relatively soft mineral at only 1.5 - 2.5 on the Mohs scale.
It is not commonly used in jewellery, but is a prized mineral among collectors due to its rarity and unique color.

Toxic mineral: annabergite contains arsenic.