Mineral - Sidorenkite
Sidorenkite
Chemical Properties
Mineral Class
Carbonates
Toxicity
none
Formula
Na₃Mn²⁺(CO₃)(PO₄)
Unit Cell
a=9,00 b=6.74 c=5.16 β=91° Z=2
Physical Properties
Hardness
2
Streak
white
Density
Normal (2-3,5)
Cleavage
Auf (100) und (010), perfekt; auf (001), unvollkommen.
Fracture
uneven
Tenacity
Brittle
Optical Properties
Color
brownorangeyellowcolorless
Birefringence
0,064
Luster
Vitreous,
Pearly
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
blocky, prismatic, tabular
Formation
Magmatisch, in alkalischen Gabbro-Syenit Pegmatiten
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Sidorenkite
Composition
Elements
Mass
P₂O₅
25,77
CO₂
15,71
FeO
0,49
MnO
22,40
MgO
0,01
CaO
2,20
Na₂O
32,36
K₂O
0,43
Russland