Mineral - Meliphanite
Meliphanite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Ca,Na)₂(Be,Al)[Si₂O₆(OH,F)]
Unit Cell
Physical Properties
Hardness
5 - 5.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
yellow
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
tetragonal
Point Group
Space Group
Habit
coarse, massive, prismatic, tabular
Formation
Magmatisch
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Meliphanite