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Compare Minerals

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

VS
F
Name
—
(Fe³⁺,Fe²⁺,Mg)₄[(Si,Fe³⁺)₆O₁₅](O,OH)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
2–2.5
Mohs hardness
—
2.51
Specific gravity
—
Brown
Streak
—
Non-metallic
Luster
—
—
Cleavage
—
Pncn
Space group
—
Sepiolite
Structural group
—
Fsep · Approved
IMA
—
2010
Named in
—
Brown to red-brown
Typical colors
—
Fe · Mg · Si · O · H
Elements
—