VS
Name
—
Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Hexagonal
Crystal system
—
1.5–2.5
Mohs hardness
—
2.09
Specific gravity
—
White
Streak
—
Greasy
Luster
—
{0001}, perfect
Cleavage
—
R-3m
Space group
—
Hydrotalcite
Structural group
—
Iow · Approved
IMA
—
1967
Named in
—
Bluish green, becoming pale green with a rusty red tint on exposure to air (alteration to pyroaurite)
Typical colors
—
Mg · Fe · O · H · Cl
Elements
—