Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
K₂Mg₅Fe³⁺₃Al(SO₄)₁₂·18H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Cubic
Crystal system
—
2.5
Mohs hardness
—
2.51
Specific gravity
—
—
Streak
—
—
Luster
—
None
Cleavage
—
Fd3c
Space group
—
Voltaite
Structural group
—
Mvlt · Approved
IMA
—
2015
Named in
—
Amber-yellow, brownish yellow, pale yellow, pale greenish yellow, almost colorless
Typical colors
—
K · Mg · Fe · Al · S · O · H
Elements
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