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Minerals - Bussyite-(Y) | TerraCollect
Mineral - Bussyite-(Y)
Bussyite-(Y)
(Y,REE,Ca)₃(Na,Ca)₆MnSi₉Be₅(O,OH,F)₃₄
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Y,REE,Ca)₃(Na,Ca)₆MnSi₉Be₅(O,OH,F)₃₄
Unit Cell
Physical Properties
Hardness
4
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
black
brown
Birefringence
0.023
Luster
Vitreous
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Karten-Ebenen
Geologische Karte
Satelliten Karte
Cleavage
Fracture
Tenacity
Brittle
Point Group
monoclinic-sphenoidal - 2
Space Group
C2 (5)
Habit
prismatic,
prismatic,
tabular
Formation
Paragenesis
Twinning
Rarity
Rare
Synonyms
Bussyite-(Y),
Bussyite
