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

VS
Thermessaite
Name
—
K₂AlF₃(SO₄)
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
2.77
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
None
Cleavage
—
Pbcn
Space group
—
Thermessaite
Structural group
—
Tms · Approved
IMA
—
2007
Named in
—
Colorless to white
Typical colors
—
K · Al · F · S · O
Elements
—