Melanterite

Photo: Robert M. Lavinsky · CC BY-SA 3.0

Melanterite

Melanterite

Fe²⁺SO₄·7H₂O

Heptahydrated iron(II) sulfate

Properties

Chemical formula
Fe²⁺SO₄·7H₂O
Group
Sulfates
Crystal system
Monoclinic
Hardness (Mohs)
2
Color
Green
Luster
—
Streak
White
Density
—
Cleavage
—
Fracture
—
Tenacity
—
Crystal habit
—
Transparency
—
Space group
—
Fluorescence
—
Magnetism
—
Radioactivity
—
Refractive index
—
Optical character
—
Birefringence
—
Pleochroism
—
Strunz classification
7.CB.35
Dana classification
—
IMA status
Grandfathered mineral (G)
IMA symbol
Mln
Locality
—
Type locality
—
Discovery year
—

Etymology

Named after ferrous sulfate heptahydrate

Source: Wikidata

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