Olivenite Mineral Specimen -

Olivenite Mineral Specimen - St. Andreasberg in the Harz Mountains

Rare find

8.1 OZ

4" x 2.5" Approx

Olivenite is a copper arsenate mineral, formula Cu2AsO4OH.

It crystallizes in the monoclinic system (pseudo-orthorhombic)

and is sometimes found in small brilliant crystals of simple prismatic

habit terminated by domal faces. More commonly, it occurs as globular

aggregates of acicular crystals, these fibrous forms often having a velvety

luster; sometimes it is lamellar in structure,

or soft and earthy.

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ITEM # 277