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Minerals - Ramsdellite | TerraCollect
Mineral - Ramsdellite
Ramsdellite
MnâŽâșOâ
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
MnâŽâșOâ
Unit Cell
Physical Properties
Hardness
3
Streak
black
brown
brown black
Optical Properties
Color
black
gray
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Density
Cleavage
Fracture
Tenacity
Space Group
Habit
leafy,
fibrous,
acicular
Formation
Oxidationszone von Mangan-LagerstÀtten, Dehydrierung aus Groutit
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Ramsdellite
