Mineral - Hendricksite
Hendricksite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
K(Zn,Mn)₃Si₃AlO₁₀(OH)₂
Unit Cell
Physical Properties
Hardness
2.5 - 3
Streak
brownredred brown
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackbrownred
Birefringence
Luster
Vitreous,
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
leafy, prismatic, tabular
Formation
Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Hendricksite