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Minerals - Kilchoanite | TerraCollect
Mineral - Kilchoanite
Kilchoanite
Ca₆(SiO₄)(Si₃O₁₀)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₆(SiO₄)(Si₃O₁₀)
Unit Cell
a=11,42 b=5,09 c=21,95 Z=8
Physical Properties
Hardness
6 - 6.5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
colorless
Birefringence
0,004
Luster
Vitreous
Transparency
translucent,
opaque
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Composition
Elements
Mass
SiO₂
39,62
CaO
58,43
MgO
0,05
MnO
0,08
FeO
0,18
Russland
Cleavage
Fracture
uneven
Tenacity
Point Group
Space Group
Habit
coarse,
granular,
massive,
prismatic
Formation
Metamorphose durch Gabbro-Intrusionen in Kalksteine
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Kilchoanite
