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Malachite is a green copper mineral used as a gemstone, sculptural material, and pigment for millenia. It is a minor ore of copper but is more valuable today for ...

Minerals, an international, peerreviewed Open Access journal. ... In this paper, the influence of Ca 2+ on the flotation of a skarn type molybdenum ore and pure ...

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Detailed description, properties, and locality information guide about the copper ore mineral chalcopyrite.

Database last posted: August 03, 2017 For further information on mineral assessment reports or products, or comments/problems and/or suggestions ...

Sphalerite is the principle ore of zinc. In some localities, it occurs with significant amounts of the rare elements cadmium, gallium, and iridium, and it is also the ...

Bornite. Comments: Metallic, crystalline bornite crystal with bluish tarnish. Location: Kamoto mine, Kolwezi, Shaba, Dem. Repub. Congo. Scale: Size Not Given.

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