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Ward's® Chalcopyrite

Good grade, brass-yellow copper ore, massive.

Brazil.

Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

Yellow to orange crystal with a glassy luster and smooth, often transparent appearance.

Fresh Green forsterite, classic “twin sisters” dunite.

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

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