Home > Term: chlorastrolite
chlorastrolite
A mottled green variety of pumpellyite used as a semiprecious stone; forms grains, small nodules, or a radial, fibrous structure in geodes in mafic igneous rocks; resembles prehnite; occurs in the Lake Superior region (esp. on Isle Royale).
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)