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VS
Chevkinite-(Ce)
Name
—
Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5.5–6
Mohs hardness
—
4.53–4.67
Specific gravity
—
—
Streak
—
Resinous to dull
Luster
—
—
Cleavage
—
C2/m
Space group
—
Chevkinite
Structural group
—
Cvk-Ce · Approved
IMA
—
1842
Named in
—
Dark reddish brown to black
Typical colors
—
Ce · Ti · Fe · O · Si
Elements
—