Nuummite
Nuummite
(Mg2)(Mg5)Si8O22(OH)
Magnesium silicate hydroxide
Hardness: 5.5-6
Amphibole
Orthorhombic System
Black, Gold
Nuummite
(Mg2)(Mg5)Si8O22(OH)
Magnesium silicate hydroxide
Hardness: 5.5-6
Amphibole
Orthorhombic System
Black, Gold