- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
An isometric mineral, CdS ; sphalerite group; dimorphous with greenockite; occurs as yellow powder on sphalerite.
Industry:Mining
An isometric mineral, Co<sub>9</sub>S<sub>8</sub>; pentlandite group.
Industry:Mining
An isometric mineral, CoAs<sub>2-3</sub>, having Co replaced by Ni toward nickel-skutterudite; metallic; tin white to silver gray showing iridescent tarnish; a minor source of cobalt.
Industry:Mining
An isometric mineral, CoAs<sub>2-3</sub>, having Co replaced by Ni toward nickel-skutterudite; metallic; tin white to silver gray showing iridescent tarnish; a minor source of cobalt.
Industry:Mining
An isometric mineral, CoFe ; forms minute grains with awaruite in the Red Hills serpentines; at Wairau, South Island, New Zealand.
Industry:Mining
An isometric mineral, CoSe<sub>2</sub>; pyrite group; dimorphous with hastite; violet.
Industry:Mining
An isometric mineral, Cr ; rare; occurs in contact zones between ultramafic rocks and marble.
Industry:Mining
An isometric mineral, Cu(Co,Ni)<sub>2</sub>S<sub>4</sub>; linnaeite group. Formerly called sychnodymite.
Industry:Mining
An isometric mineral, Cu<sub>12</sub>(Te,Sb,As)<sub>4</sub>S<sub>13</sub>; tetrahedrite group; metallic; at the Mohawk Mine, Goldfield, NV.
Industry:Mining
An isometric mineral, Cu<sub>2</sub>Se ; silver-white in fresh break; sp gr, 6.7. ; dimorphous with bellidoite.
Industry:Mining