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VS
Mannardite
Name
—
Ba(Ti₆V³⁺₂)O₁₆
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Tetragonal
Crystal system
—
5.5–7
Mohs hardness
—
4.12–4.43
Specific gravity
—
White to grayish white
Streak
—
Adamantine
Luster
—
{100}, good
Cleavage
—
I4/m
Space group
—
Coronadite
Structural group
—
Man · Approved
IMA
—
1983
Named in
—
Jet-black; pale reddish brown in reflected light
Typical colors
—
Ba · Ti · V · O
Elements
—