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Minerals - Todorokite | TerraCollect
Mineral - Todorokite
Todorokite
(Na,Ca,K,Ba,Sr)Âčâ»x(Mn,Mg,Al)âOââ · 3-4HâO
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Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
(Na,Ca,K,Ba,Sr)Âčâ»x(Mn,Mg,Al)âOââ · 3-4HâO
Unit Cell
Physical Properties
Hardness
1.5
Streak
brown
Density
Optical Properties
Color
black
brown
gray
Birefringence
Luster
Greasy,
Metallic,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
dendritic,
fibrous,
massive,
acicular,
radial
Formation
SekundÀr, Metasomatose, SedimentÀr
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Todorokite
