VS
Name
—
Na₂NaAlF₆
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Monoclinic
Crystal system
—
2.5–3
Mohs hardness
—
2.97
Specific gravity
—
White
Streak
—
Vitreous to greasy or waxy, pearly on {001}
Luster
—
Partings on {001} and {110}
Cleavage
—
P2_1/n
Space group
—
Perovskite
Structural group
—
Crl · Grandfathered
IMA
—
1799
Named in
—
White, Colorless, Brown, Gray, Black
Typical colors
—
Na · Al · F
Elements
—