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

VS
Krieselite
Krieselite
Name
—
Al₂(GeO₄)F₂
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Orthorhombic
Crystal system
—
5.5–6.5
Mohs hardness
—
4.069
Specific gravity
—
White
Streak
—
Greasy
Luster
—
None
Cleavage
—
Pnma
Space group
—
Topaz
Structural group
—
Kes · Approved
IMA
—
2000
Named in
—
Beige to white
Typical colors
—
Al · Ge · O · F
Elements
—