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Elbaite in Amblygonite

#PD37098

Elbaite in Amblygonite

#PD37098
Availability
Sold
Size
9 x 7 x 5.5 cm - Sm Cabinet 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 (RRUFF)
Locality
Mount Mica quarry, Paris, Oxford Co., Maine, United States

This is just a good representative specimen showing a characteristic pegmatitic texture - Elbaite tourmaline crystals to 6cm, divergent from a point. The matrix is Amblygonite. Old Paul Moore label with a number matching the specimen.

Elbaite

Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Crystal System
Trigonal 
Crystal Habit
Striated, Prismatic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue, colorless, green, yellow, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Sub Conchoidal 
Hardness
7.5 

Data courtesy of Webmineral.

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