VS
Name
—
Na₂Fe³⁺(SO₄)₂(OH)·H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Orthorhombic
Crystal system
—
2.5
Mohs hardness
—
2.68
Specific gravity
—
—
Streak
—
Silky
Luster
—
On {100}, {010}, perfect; on {001}, nearly perfect
Cleavage
—
Pbnm
Space group
—
—
Structural group
—
Mnat · Grandfathered
IMA
—
1938
Named in
—
Golden yellow, straw-yellow; yellow in transmitted light
Typical colors
—
Na · Fe · S · O · H
Elements
—