VS
Name
—
Fe³⁺₂O(SO₄)₂·8H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
2.255
Specific gravity
—
Yellow-orange
Streak
—
Vitreous, brilliant
Luster
—
{010}, perfect; {110} and {110}, less perfect (referred to morphological axes; relation to X-ray axes uncertain)
Cleavage
—
P-1
Space group
—
Amarantite
Structural group
—
Hoh · Grandfathered
IMA
—
1888
Named in
—
Chestnut-brown to burnt orange, pale amaranth-red
Typical colors
—
Fe · O · S · H
Elements
—