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Sepiolite from
Twin Sisters Mountain, Whatcom Co., Washington, USA

Mineral Species
Formula:Mg4(Si6O15)(OH)2 · 6H2O
Quality for species:not specified / average specimens
Validity:Believed Valid
References:Minerals of Washington, Bart Cannon, 1975
Mineral Data:Click here to view Sepiolite data
Locality Data:Click here to view Twin Sisters Mountain, Whatcom Co., Washington, USA
Nearest other occurrences of Sepiolite
33.0km (20.5 miles) A Stephens Mine, Mount Vernon, Skagit Co., Washington, USA
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