Encyclopedia > Pyrochlore

Article Content

Pyrochlore

Pyrochlore (Na,Ca)₂Nb₂O₆(OH,F) is a niobate of calcium, cerium, and other bases, occurring usually in octahedrons of a yellowish or brownish color and resinous luster. So called from its becoming grass-green on being subjected to heat under the blowpipe[?].

External Link

Webmineral - Pyrochlore (http://webmineral.com/data/Pyrochlore.shtml)

Featured Article

Sakhalin

... also the reindeer in the north, and the musk deer, hares, squirrels, rats and mice everywhere. The avi-fauna is the common Siberian, and the rivers swarm with fish, ...