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VS
Tokyoite
Name
—
Ba₂Mn³⁺(VO₄)₂OH
Formula
—
Mineral Species
Entry type
—
Vanadates
Chemical class
—
Monoclinic
Crystal system
—
4–4.5
Mohs hardness
—
4.62
Specific gravity
—
Dark brownish red
Streak
—
Vitreous
Luster
—
None
Cleavage
—
P2_1/m
Space group
—
Brackebuschite
Structural group
—
Tky · Approved
IMA
—
2003
Named in
—
Red-black
Typical colors
—
Ba · Mn · V · O · H
Elements
—