VS
Name
—
Na₂Ca(CO₃)₂·5H₂O
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Monoclinic
Crystal system
—
2.5–3
Mohs hardness
—
1.991
Specific gravity
—
White to pale gray
Streak
—
Vitreous
Luster
—
On {110}, perfect; on {001}, imperfect
Cleavage
—
C2/c
Space group
—
—
Structural group
—
Gyl · Grandfathered
IMA
—
1826
Named in
—
Colorless to pale yellow or pale gray, white; colorless in transmitted light
Typical colors
—
Na · Ca · C · O · H
Elements
—