VS
Name
—
(Na,Ca, )BaCe₂(CO₃)₄(F,O)
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Hexagonal
Crystal system
—
4.5
Mohs hardness
—
4.01–4.44
Specific gravity
—
White
Streak
—
Adamantine, vitreous, resinous, oily, pearly on {0001}; waxy if altered
Luster
—
Good on {0001}
Cleavage
—
P6_3/mmc
Space group
—
Cordylite
Structural group
—
Cod-Ce · Approved
IMA
—
1901
Named in
—
Colorless, white, wax-yellow, amber-yellow, pale yellow, yellowish green, greenish gray
Typical colors
—
Na · Ca · Ba · Ce · C · O · F
Elements
—