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Minerals - Kidwellite | TerraCollect
Mineral - Kidwellite
Kidwellite
NaFe³⁺₉+x(PO₄)₆(OH)₁₁ · 3H₂O
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
NaFe³⁺₉+x(PO₄)₆(OH)₁₁ · 3H₂O
Unit Cell
Physical Properties
Hardness
3
Streak
yellow
Density
Normal (2-3,5)
Optical Properties
Color
yellow
green
Birefringence
Luster
Vitreous,
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
spherical,
kidney-shaped,
radial,
grape-shaped
Formation
Sekundär, Metasomatose von Phosphaten
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Kidwellite
