Ferrarisite

Ca₅(AsO₃OH)₂(AsO₄)₂·9H₂O

Arsenate mineral

Properties

Chemical formula
Ca₅(AsO₃OH)₂(AsO₄)₂·9H₂O
Group
Phosphates
Crystal system
Triclinic
Hardness (Mohs)
—
Color
—
Luster
—
Streak
White
Density
—
Cleavage
—
Fracture
—
Tenacity
—
Crystal habit
—
Transparency
—
Space group
triclinic-pedial
Fluorescence
—
Magnetism
—
Radioactivity
—
Refractive index
—
Optical character
—
Birefringence
—
Pleochroism
—
Strunz classification
8.CJ.30
Dana classification
—
IMA status
Approved mineral and/or valid name (A)
IMA symbol
Fer
Locality
🇫🇷 Mount Neuenberg silver mines
Type locality
—
Discovery year
—

Etymology

Named after Giovanni Ferraris

Source: Wikidata

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