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'Saponite' is a monoclinic mineral of the montmorillonite group. Its chemical formula is (½Ca,Na)0.33(Mg,Fe+2)3(Si,Al)4O10(OH)2'·'4H2O.
It is soft, massive, and plastic, and exists in veins and cavities in serpentinite and basalt. The name is derived from the Greek ''sapo'', soap. Other names include bowlingite; mountain soap; piotine; soapstone.
★ Mindat.org
★ Webmineral.com
''This article contains material from the U.S. Bureau of Mines Dictionary of Mining, Mineral, and Related Terms.''
It is soft, massive, and plastic, and exists in veins and cavities in serpentinite and basalt. The name is derived from the Greek ''sapo'', soap. Other names include bowlingite; mountain soap; piotine; soapstone.
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References
★ Mindat.org
★ Webmineral.com
''This article contains material from the U.S. Bureau of Mines Dictionary of Mining, Mineral, and Related Terms.''
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