VS
Name
—
(K,Ba)₂(Ti,Fe³⁺)₆O₁₃
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Monoclinic
Crystal system
—
5–6
Mohs hardness
—
3.94
Specific gravity
—
Pale brown
Streak
—
Submetallic
Luster
—
Perfect on {100}; good on {201}
Cleavage
—
C2/m
Space group
—
Jeppeite
Structural group
—
Jep · Approved
IMA
—
1980
Named in
—
Black; gray in reflected light, may have pale golden internal reflections
Typical colors
—
K · Ba · Ti · Fe · O
Elements
—