VS
Name
—
MgFe³⁺₄(SO₄)₆(OH)₂·20H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Triclinic
Crystal system
—
2–3
Mohs hardness
—
2.16
Specific gravity
—
—
Streak
—
—
Luster
—
[On {010}, perfect.] (by analogy to copiapite group members)
Cleavage
—
P1
Space group
—
Copiapite
Structural group
—
Mcpi · Grandfathered
IMA
—
1938
Named in
—
Lemon-yellow, orange, greenish yellow
Typical colors
—
Mg · Fe · S · O · H
Elements
—