VS
Name
—
Mg₆Cr₂(CO₃)(OH)₁₆·4H₂O
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Hexagonal
Crystal system
—
1.5–2
Mohs hardness
—
2.16
Specific gravity
—
Very pale lilac to white
Streak
—
Waxy to resinous, somewhat pearly
Luster
—
Perfect on {0001}
Cleavage
—
R-3m
Space group
—
Hydrotalcite
Structural group
—
Stt · Approved
IMA
—
1910
Named in
—
Lilac to rose-pink; lilac to rose-pink in transmitted light
Typical colors
—
Mg · Cr · C · O · H
Elements
—