The open encyclopedia of minerals
Mineralogist.org
Minerals A–ZSearchCollectionsBrowse by PropertyIdentify a SpecimenCompare MineralsLocalities MapGlossaryContribute Search the Database →

Compare Minerals

Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
G
Name
—
Ba₂₋ₓ(V³⁺OH)ₓV³⁺₉(Fe³⁺,Fe²⁺)₂Si₂O₂₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5
Mohs hardness
—
4.81
Specific gravity
—
—
Streak
—
Semi-metallic, dull
Luster
—
Perfect on {001}
Cleavage
—
P-3m1
Space group
—
—
Structural group
—
Gwd · Approved
IMA
—
2010
Named in
—
Black, gray with a weak brownish tint in reflected light
Typical colors
—
Ba · V · O · H · Fe · Si
Elements
—