Minerals identify

Know how to recognize them

Saponite

Phyllosilicates,smectite group

Saponite is a trioctahedral 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.

It is soft, massive, and plastic, and exists in veins and cavities in serpentinite. The name is derived from the Greek. Other names include bowlingite; mountain soap; piotine.

Identification

Color of mineral

White
Yellow
Red
Green
Blue

Mohs scale ( mineral hardness )

1.5

Density ( specific gravity )

1.479
1.51
1.511

Luster ( interacts light )

Greasy
Dull

Crystal ( diaphaneity )

Monoclinic