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Minerals - Katophorite | TerraCollect
Mineral - Katophorite
Katophorite
Na[NaCa][(Fe 2+,Mg)₄Al](Si₇Al)O₂₂(OH)₂
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na[NaCa][(Fe 2+,Mg)₄Al](Si₇Al)O₂₂(OH)₂
Unit Cell
Physical Properties
Hardness
5
Streak
gray
Density
Normal (2-3,5)
Optical Properties
Color
black
Birefringence
Luster
Vitreous,
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
coarse,
massive,
prismatic
Formation
Magmatisch, Metamorphose
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Katophorite
