- 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 ...
A monoclinic mineral, (Ca/2,Na)<sub>0.3</sub>(Mg,Fe)<sub>3</sub>(Si,Al)<sub>4</sub>O<sub>10</sub>(OH)<sub>2</sub>.4H<sub>2</sub>O ; smectite group; soft; massive; plastic; unctuous; in veins and cavities in serpentinite and basalt. Etymol: Greek "sapon" soap
Industry:Mining
A monoclinic mineral, (Ca/2,Na)<sub>0.3</sub>(Mg,Fe)<sub>3</sub>(Si,Al)<sub>4</sub>O<sub>10</sub>(OH)<sub>2</sub>.4H<sub>2</sub>O ; smectite group; soft; massive; plastic; unctuous; in veins and cavities in serpentinite and basalt. Etymol: Greek "sapon" soap
Industry:Mining
A monoclinic mineral, (Ca/2,Na)<sub>0.3</sub>(Mg,Fe)<sub>3</sub>(Si,Al)<sub>4</sub>O<sub>10</sub>(OH)<sub>2</sub>.4H<sub>2</sub>O ; smectite group; soft; massive; plastic; unctuous; in veins and cavities in serpentinite and basalt. Etymol: Greek "sapon" soap
Industry:Mining
A monoclinic mineral, (Ce,La)<sub>2</sub>Al(SiO<sub>4</sub>)<sub>2</sub>(OH) ; weakly radioactive; green to olive; in contact zones at Bastnaes, Sweden. Also spelled toernebohmite.
Industry:Mining
A monoclinic mineral, (Cu,Ag)<sub>21</sub>As<sub>10</sub>; pseudotetragonal; forms steel-gray granular aggregates; at Cerny Dul, Czech Republic.
Industry:Mining
A monoclinic mineral, (Cu,Al)<sub>2</sub>H<sub>2</sub>Si<sub>2</sub>O<sub>5</sub>(OH)<sub>4</sub>.nH<sub>2</sub>O ; cryptocrystalline or amorphous; soft; bluish green to emerald green; forms incrustations and thin seams in oxidized parts of copper-mineral veins; a source of copper and an ornamental stone.
Industry:Mining
A monoclinic mineral, (Cu,Zn)<sub>3</sub>(PO<sub>4</sub>)(OH)<sub>3</sub>.2H<sub>2</sub>O ; greenish-blue. Formerly called arakawaite.
Industry:Mining
A monoclinic mineral, (Fe,Mg)<sub>2</sub>(Fe,Sn)BO<sub>5</sub>; forms small black crystals or tabular masses at the contact of granite and metamorphosed limestone.
Industry:Mining
A monoclinic mineral, (Fe,Mg)<sub>3</sub>Si<sub>4</sub>O<sub>10</sub>(OH)<sub>2</sub>; talc-pyrophyllite group; in the banded iron formations of Minnesota.
Industry:Mining
A monoclinic mineral, (Fe,Mg)<sub>3</sub>Si<sub>4</sub>O<sub>10</sub>(OH)<sub>2</sub>; talc-pyrophyllite group; in the banded iron formations of Minnesota.
Industry:Mining
