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Minerals - Groutite | TerraCollect
Mineral - Groutite
Groutite
Mn³⁺O(OH)
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Mn³⁺O(OH)
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
brown
Density
Optical Properties
Color
black
Birefringence
Luster
Metallic,
Adamantine
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
crusty,
prismatic,
tabular,
grape-shaped
Formation
Sedimentär(Verwitterung), hydrothermal, Metamorphose (Graphit)
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Groutite
