- المجال: 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 variety of crystallized turquoise containing 5% Fe<sub>2</sub>O<sub>3</sub>; from Lynchburg, VA.
Industry:Mining
A variety of dynamite consisting of four to five parts nitroglycerin, three parts sawdust, and two parts potassium nitrate.
Industry:Mining
A variety of elbaite in pink, green, and colorless prismatic crystals.
Industry:Mining
A variety of eudialyte that is optically negative and rich in calcium. Also spelled eukolite.
Industry:Mining
A variety of fluorite that exhibits bright-green phosphorescent light if heated.
Industry:Mining
A variety of fluorite that exhibits bright-green phosphorescent light if heated.
Industry:Mining
A variety of fossil resin found as rodlets secreted in canals or ducts of coal-forming plants.
Industry:Mining