Tags: Chemical Substance, Mineral.

Zaratite is a bright emerald green and questionable nickel carbonate mineral with formula Ni3CO3(OH)4·4H2O. Zaratite crystallizes in the isometric crystal system as massive to mammillary encrustations and vein fillings. It has a specific gravity of 2.6 and a Mohs hardness of 3 to 3.5. It has no cleavage and is brittle to conchoidal fracture. The luster is vitreous to greasy.

Zaratite_Hydrous_basic_nickel_carbonate_Lor_Brassey_mine_Heeazlewood_Tasmania_1966.jpg

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