VS
Name
—
Na₃Fe³⁺(SO₄)₃·3H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
2.5
Mohs hardness
—
2.55–2.61
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
On {1010}, perfect; on {1120}, less perfect
Cleavage
—
P-3
Space group
—
—
Structural group
—
Fnat · Grandfathered
IMA
—
1889
Named in
—
Colorless, grayish white, pale green, bluish green; colorless in transmitted light
Typical colors
—
Na · Fe · S · O · H
Elements
—