Stevensite is white clay mineral. The mineral is a member of
smectite
A smectite (from ancient Greek ''σμηκτός'' smektos 'lubricated'; ''σμηκτρίς'' smektris 'walker's earth', 'fuller's earth'; rubbing earth; earth that has the property of cleaning) is a mineral mixtures of various swelling sheet sil ...
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The mineral is named after
Edwin Augustus Stevens
Edwin Augustus Stevens (July 28, 1795 – August 7, 1868) was an American engineer, inventor, and entrepreneur who left a bequest that was used to establish the Stevens Institute of Technology.
Life
Stevens was born at Castle Point, Hobo ...
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Stevensite can be found Dean Quarry.
References
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Smectite group