Saponite

Mineral | Saponite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2ยท4H2O | Clay Mineral

Saponite forms as a magnesium-rich clay mineral produced by alteration of mafic rocks. Occurs in altered basaltic erratics.

Saponite Displays These Colors
Green | Gray | White

Saponite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan