Article · Wikipedia archive · Last revised Jul 24, 2026

Stevensite

Stevensite is a white clay mineral composed of hydrated calcium, sodium and magnesium silicate, with the chemical formula (Ca,Na)xMg3-x(Si4O10)(OH)2. The mineral is a member of smectite. The mineral is named after Edwin Augustus Stevens.

Last revised
Jul 24, 2026
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≈ 1 min
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Wikipedia ↗
Stevensite
General
CategoryPhyllosilicate minerals
GroupSmectite group
IMA symbolStv1
Identification
ColorWhite, pale yellow, pale brown, pale pink
Mohs scale hardness2 1/22
StreakWhite

Stevensite is a white clay mineral composed of hydrated calcium, sodium and magnesium silicate, with the chemical formula (Ca,Na)xMg3-x(Si4O10)(OH)2.3 The mineral is a member of smectite.2 The mineral is named after Edwin Augustus Stevens.2

Stevensite can be found at the Dean Quarry.4

References

References

  1. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. "Stevensite". www.mindat.org. Retrieved 2021-09-05.
  3. "Wisconsin Geological & Natural History Survey » Stevensite". wgnhs.wisc.edu. 18 June 2021. Retrieved 2021-09-05.
  4. Kloprogge, J. Theo; Lavinsky, Rob; Young, Stretch (2017-08-02). Photo Atlas of Mineral Pseudomorphism. Elsevier. p. 79. ISBN 978-0-12-803703-4.