VS
Name
—
NaCaAlF₆·H₂O
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
2.96–3.01
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{001}, good to indistinct
Cleavage
—
F2/d
Space group
—
—
Structural group
—
Phn · Grandfathered
IMA
—
1863
Named in
—
Colorless to white; colorless in transmitted light
Typical colors
—
Na · Ca · Al · F · H · O
Elements
—