Chryosocolla Chalcedony Chrysocolla is a kind gem has long been known to the international market. Even if This gam have a low level of violence, it still was famous in the world of gems. Chryosocolla often found fused or mixed with quarz, Azurite, Malachite and chalcedony. When Chryosocolla mixed with quarz or with Chalcedony hence, the name and the type of stone Chryosocolla violent will change. On the type of quarz chryrosocolla rock hardness ranges from 2.5 - 3.5 mohs scale while on the type chryosocolla Chalcedony stone reaches level 7 mohs hardness scale. Chalcedony chryosocolla type found in several countries including in Indonesia can be found in the Bacan area, south halmahera and kasiruta island which are known as the Batu Bacan. Generally there are two Batu Bacan most known by indonesian public, namely Bacan doko and Bacan palamea. though both precious stones came from the same island , but both of these stones have a different character that...