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VS
Gravegliaite
Gravegliaite
Name
—
Mn²⁺(S⁴⁺O₃)·3H₂O
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
2.39
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
One II [010]
Cleavage
—
Pnma
Space group
—
Gravegliaite
Structural group
—
Gvg · Approved
IMA
—
1990
Named in
—
Colorless
Typical colors
—
Mn · S · O · H
Elements
—