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>> Mineral Photos >> Trilithionite-Trilithionite
Trilithionite
Chemical
Formula
KLi2Al(Al,Si)3O10(F,OH)2
Species
Silicates
Crystal
System
Monoclinic
Mohs
Scale
2.5-3
Specific
Gravity
2.8-2.9
Color
Pink, purple, rose-red, Purple-gray, yellowish, white, colorless
Streak
White
Luster
Vitreous to pearly
Refractive
Index
nα=1.525–1.548, nβ=1.551–1.58, nγ=1.554–1.586
Diaphaneity
Transparent to translucent
Cleavage
perfect
Fracture
Uneven
Crystal Habit：
Tabular to prismatic pseudohexagonal crystals, scaly aggregates and massive
Trilithionite7321
Trilithionite7320
Trilithionite7319
Trilithionite7318
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