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Mineralati

Minerals

Saponite

saponite

Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 * nH2O

Saponite: Greek Soap Mineral Infographic | Labeled rock specimen ...

Saponite: Greek Soap Mineral Infographic | Labeled rock specimen ... — via www.pinterest.com · Source

Overview

Saponite is a trioctahedral mineral of the smectite group. Its chemical formula is Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2·n(H2O). It is soluble in sulfuric acid. It was first described in 1840 by Svanberg. Varieties of saponite are griffithite, bowlingite and sobotkite. 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.

Scientific references

  1. Saponite — Wikidata. https://www.wikidata.org/wiki/Q421003 Link
  2. Saponite — Wikipedia. https://en.wikipedia.org/wiki/Saponite Link