VS
Name
—
K₂Ca(CO₃)₂
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
2.45
Specific gravity
—
—
Streak
—
—
Luster
—
On {0001}, good
Cleavage
—
P6_3/mmc
Space group
—
Fairchildite
Structural group
—
Fch · Grandfathered
IMA
—
1947
Named in
—
Colorless; light gray to bluish gray in aggregates
Typical colors
—
K · Ca · C · O
Elements
—