Minerals

Some articles on minerals, mineral:

Apex Silver Mines
... from bankruptcy as a newly formed Delaware corporation named Golden Minerals Company, Apex sold their 65% interest in the San Cristóbal mine to Sumitomo but continue to operate ... Golden Minerals also continue to own and explore their broad portfolio of exploration properties ... Golden Minerals emerged from Apex Chapter 11 on March 24, 2009 ...
Lusters - Common Terms - Greasy Lustre
... Greasy minerals resemble fat or grease ... A greasy lustre often occurs in minerals containing a great abundance of microscopic inclusions, with examples including opal and cordierite ... Many minerals with a greasy lustre also feel greasy to the touch ...
List Of Star Trek Materials - Minerals
... Kironide is a mineral by which, in Star Trek The Original Series, in the episode Plato's Stepchildren, the Platonians (the inhabitants of the planet Platonius) have telekinetic powers including the ability to ...
Lusters - Optical Phenomena - Chatoyancy
... Chatoyant minerals display luminous bands, which appear to move as the specimen is rotated ... Such minerals are composed of parallel fibers (or contain fibrous voids or inclusions), which reflect light into a direction perpendicular to their orientation, thus forming narrow bands of ... are tiger's eye and cymophane, but the effect may also occur in other minerals such as aquamarine, moonstone and tourmaline ...