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

VS
Y
Name
—
KFe³⁺(SO₄)₂
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2.5–3
Mohs hardness
—
2.88
Specific gravity
—
White to pale yellow
Streak
—
Vitreous to nearly adamantine
Luster
—
Perfect on {001}, {100}; distinct on {110}
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Yav · Approved
IMA
—
1959
Named in
—
Very pale purplish pink; colorless in transmitted light
Typical colors
—
K · Fe · S · O
Elements
—