Mineral - Richterite
Richterite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na[CaNa](Mg,Fe²⁺)₅[(OH)₂|Si₈O₂₂]
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownredyellowgreen
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
fibrous, acicular, prismatic
Formation
Metamorphose, Magmatisch (Alkali)
Paragenesis
Twinning
Rarity
Common
Synonyms
Richterite