Mineral - Iowaite
Iowaite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Mg₆Fe³⁺₂(OH)₁₆Cl₂ · 4H₂O
Unit Cell
Physical Properties
Hardness
1.5 - 2.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownyellowgreenviolet
Birefringence
Luster
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
tabular
Formation
Verwitterung von Serpentin
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Iowaite