VS
Name
—
(Mn,Mg,Al)₁₅(AsO₄)₂(AsO₃)(OH)₂₃
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Hexagonal
Crystal system
—
3.5
Mohs hardness
—
3.44–3.49
Specific gravity
—
Pale chocolate-brown to reddish brown
Streak
—
Vitreous, pearly to submetallic on cleavages
Luster
—
Perfect on {0001}
Cleavage
—
R3
Space group
—
Hematolite
Structural group
—
Hmt · Grandfathered
IMA
—
1884
Named in
—
Blood-red, garnet-red, brownish red, brown, black; reddish orange to yellowish brown in transmitted light
Typical colors
—
Mn · Mg · Al · As · O · H
Elements
—