VS
Name
—
Cu¹⁺Fe³⁺Mn²⁺₁₄(As⁵⁺O₄)(As³⁺O₃)₅(SiO₄)₂(OH)₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
3–4
Mohs hardness
—
4.36
Specific gravity
—
—
Streak
—
Metallic to resinous
Luster
—
Perfect, basal micaceous
Cleavage
—
R3
Space group
—
Hematolite
Structural group
—
Dxn · Grandfathered
IMA
—
1920
Named in
—
Deep red-brown to nearly black; intense red in thin sheets
Typical colors
—
Cu · Fe · Mn · As · O · Si · H
Elements
—