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Minerals - Valleriite | TerraCollect
Mineral - Valleriite
Valleriite
(FeÂČâș,Cu)â(Mg,Al)âSâ(OH,O)â
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
(FeÂČâș,Cu)â(Mg,Al)âSâ(OH,O)â
Unit Cell
Physical Properties
Hardness
1 - 1.5
Streak
black
Density
Normal (2-3,5)
Optical Properties
Color
gray
yellow
bronze
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
coarse,
fibrous,
massive,
acicular
Formation
SekundÀr (aus Chalkopyrit)
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Valleriite
