Home > Term: thompsonite
thompsonite
An orthorhombic mineral, Na4Ca8(Al20Si20O80).24H2O ; zeolite group; pseudotetragonal; occurs in amydules and crevices in basalts and tuffs; also an alteration of anorthite.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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