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

VS
N
Name
—
Ca₄Ti₂(Fe³⁺,Fe²⁺)(Si,Fe³⁺,Al)O₁₁
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
5.5–6
Mohs hardness
—
4.006
Specific gravity
—
Light brown
Streak
—
Submetallic
Luster
—
None
Cleavage
—
Pnma
Space group
—
Perovskite
Structural group
—
Nkk · Approved
IMA
—
2018
Named in
—
Brown, gray to light gray in reflected light with yellowish brown internal reflections
Typical colors
—
Ca · Ti · Fe · Si · Al · O
Elements
—