VS
Name
—
Fe³⁺₂O(SO₄)₂·7H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Triclinic
Crystal system
—
2.5
Mohs hardness
—
2.19–2.29
Specific gravity
—
Lemon-yellow
Streak
—
Vitreous
Luster
—
Perfect on {010} and {100}
Cleavage
—
P-1
Space group
—
Amarantite
Structural group
—
Ama · Grandfathered
IMA
—
1888
Named in
—
Amaranth-red to brownish red and red-orange
Typical colors
—
Fe · O · S · H
Elements
—