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Mineral - Rhodizite

Rhodizite(K,Cs,Rb)Al₄Be₄[O₄|B₁₁BeO₂₄][
Chemical Properties
Mineral Class
Borates
Toxicity
none
Formula
(K,Cs,Rb)Al₄Be₄[O₄|B₁₁BeO₂₄][
Unit Cell
Physical Properties
Hardness
8 - 8.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whiteyellowcolorless
Birefringence
Luster
Vitreous,
Adamantine
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
isometric
Point Group
Space Group
Habit
dodecahedron, Tetrahedron
Formation
Pegmatite
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Rhodizite