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Minerals - Romanèchite | TerraCollect
Mineral - Romanèchite
Romanèchite
(Ba,H₂O)₂(Mn+4,Mn+3)₅O₁₀
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
(Ba,H₂O)₂(Mn+4,Mn+3)₅O₁₀
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
black
brown
brown black
Optical Properties
Color
black
gray
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Density
Cleavage
Fracture
Tenacity
Space Group
Habit
massive,
grape-shaped
Formation
Oxidationszone von Mangan-Lagerstätten
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Romanèchite
