Mineral - Parsettensite
Parsettensite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(K,Na,Ca)₇,5(Mn,Mg)₄₉Si₇₂O₁₆₈(OH)₅₀ · nH₂O
Unit Cell
Physical Properties
Hardness
1.5 - 4
Streak
brownyellowyellow brown
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownredyellow
Birefringence
Luster
Vitreous,
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, spherical, massive
Formation
Oxidationszone von Mangan-Lagerstätten
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Parsettensite