VS
Name
—
K(Ti₇Fe³⁺)O₁₆
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Tetragonal
Crystal system
—
—
Mohs hardness
—
3.86
Specific gravity
—
Gray
Streak
—
Adamantine
Luster
—
{001}, perfect; another, perpendicular, fair
Cleavage
—
I4/m
Space group
—
Coronadite
Structural group
—
Pdr · Grandfathered
IMA
—
1951
Named in
—
Black; yellowish brown in thin section
Typical colors
—
K · Ti · Fe · O
Elements
—