VS
Name
—
Na₃Ca₂(CO₃)₃F
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Monoclinic
Crystal system
—
3–4
Mohs hardness
—
2.67–2.73
Specific gravity
—
White
Streak
—
Vitreous to waxy
Luster
—
Good on {001}; imperfect on {010}
Cleavage
—
Cc
Space group
—
—
Structural group
—
Rvl · Approved
IMA
—
1989
Named in
—
Pale tan, pale pink, yellow, colorless, may be reddish brown from inclusions
Typical colors
—
Na · Ca · C · O · F
Elements
—