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VS
Orthopinakiolite
Orthopinakiolite
Name
—
Mg₂Mn³⁺O₂(BO₃)
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Orthorhombic
Crystal system
—
6
Mohs hardness
—
3.94–4.03
Specific gravity
—
—
Streak
—
Metallic
Luster
—
—
Cleavage
—
Pnnm
Space group
—
—
Structural group
—
Opki · Approved
IMA
—
1960
Named in
—
Black
Typical colors
—
Mg · Mn · O · B
Elements
—