Stevensite

Specimen ID: VND-M6V

Mineral(s)
Stevensite : (Ca,Na)xMg3-x(Si4O10)(OH)2
Locality
Mindat locality:
Dimensions
8.9cm x 5.9cm x 4.4cm
Events

Photo added to mindat.org

8.9 x 5.9 x 4.4 cm. First identified in specimens from a railway tunnel at Bergen Hill in Hudson County, New Jersey, (Ca0.5,Na)0.33(Mg,Fe++)3Si4O10(OH)2•n(H2O), Stevensite is a little-known phyllosilicate in the smectite group. This is an old specimen from Langban - accompanied by an old label calling it "Aphrodite."
Robert Lavinsky - 16th February 2009

Photo added to mindat.org

8.9 x 5.9 x 4.4 cm. First identified in specimens from a railway tunnel at Bergen Hill in Hudson County, New Jersey, (Ca0.5,Na)0.33(Mg,Fe++)3Si4O10(OH)2•n(H2O), Stevensite is a little-known phyllosilicate in the smectite group. This is an old specimen from Langban - accompanied by an old label calling it "Aphrodite."
Robert Lavinsky - 16th February 2009
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