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Minerals - Decrespignyite-(Y) | TerraCollect
Mineral - Decrespignyite-(Y)
Decrespignyite-(Y)
Cu(Y,REE)₄(CO₃)₄(OH)₅Cl · 2H₂O
Chemical Properties
Mineral Class
Carbonates
Toxicity
radioactive
Formula
Cu(Y,REE)₄(CO₃)₄(OH)₅Cl · 2H₂O
Unit Cell
Physical Properties
Hardness
4
Streak
blue
Density
Normal (2-3,5)
Optical Properties
Color
blue
Birefringence
Luster
Vitreous,
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
coarse,
crusty,
spherical,
massive
Formation
Oxidationszone von Kupfer-Lagerstätten
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Decrespignyite-(Y)
