VS
Name
—
Mg₆Fe³⁺₂(CO₃)(OH)₁₆·4H₂O
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Hexagonal
Crystal system
—
2.5
Mohs hardness
—
2.13
Specific gravity
—
—
Streak
—
Waxy to vitreous, may be pearly
Luster
—
Perfect on {0001}
Cleavage
—
R3m
Space group
—
Hydrotalcite
Structural group
—
Pya · Approved
IMA
—
1865
Named in
—
Pale yellow, pale brown, green, colorless; colorless in transmitted light
Typical colors
—
Mg · Fe · C · O · H
Elements
—