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
H
Name
—
(Sr,REE)₄Zr(Ti,Fe³⁺,Fe²⁺)₂Ti₂O₈(Si₂O₇)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5.5–6
Mohs hardness
—
4.28
Specific gravity
—
Dark brown
Streak
—
Resinous
Luster
—
None
Cleavage
—
C2/m
Space group
—
Chevkinite
Structural group
—
Hez · Approved
IMA
—
2010
Named in
—
Black
Typical colors
—
Sr · REE · Zr · Ti · Fe · O · Si
Elements
—