Mineral - Labuntsovite-(Fe,Mg,Mn)
Labuntsovite-(Fe,Mg,Mn)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Na₄K₄(Ba,K)₂(Fe,Mg,Mn)(Ti,Nb)₈(Si₄O₁₂)₄(O,OH)₈ · 10H₂O
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
redorange
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, massive, acicular, prismatic, radial
Formation
Magmatisch, Pegmatit
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Labuntsovite-(Fe, Mg, Mn)