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Minerals - Deerite | TerraCollect
Mineral - Deerite
Deerite
(Fe,Mn)₆(Fe,Al)₃[Si₆O₁₇]O₃(OH)₅
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Fe,Mn)₆(Fe,Al)₃[Si₆O₁₇]O₃(OH)₅
Unit Cell
Physical Properties
Hardness
6
Streak
gray
Density
Optical Properties
Color
black
Birefringence
Luster
Metallic,
Adamantine
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
acicular,
prismatic,
prismatic
Formation
Metamorphose
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Deerite
