Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
K(Mg,Fe²⁺)₆(Si,Al)₈O₂₀(OH)₄·nH₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
—
Crystal system
—
2
Mohs hardness
—
2.49–2.64
Specific gravity
—
—
Streak
—
[Dull.]
Luster
—
[{001}, perfect.]
Cleavage
—
—
Space group
—
Corrensite, Clay
Structural group
—
Hbt · Approved
IMA
—
1882
Named in
—
Blackish, brownish; golden yellow, pinkish
Typical colors
—
K · Mg · Fe · Si · Al · O · H
Elements
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