VS
Name
—
Ba₂Fe³⁺(VO₄)₂(OH)
Formula
—
Mineral Species
Entry type
—
Vanadates
Chemical class
—
Monoclinic
Crystal system
—
4.5–5
Mohs hardness
—
4.62–4.68
Specific gravity
—
Reddish brown
Streak
—
Adamantine
Luster
—
{001} and {100}, distinct; {101} difficult, indices probable
Cleavage
—
P2_1/m
Space group
—
Brackebuschite
Structural group
—
Gam · Grandfathered
IMA
—
1943
Named in
—
Dark brown to almost black
Typical colors
—
Ba · Fe · V · O · H
Elements
—