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1 item @ $125.00  

Elbaite var. rubellite in Pollucite

#48566

Elbaite var. rubellite in Pollucite

#48566
Availability
Sold
Size
14 x 11 x 4 cm - Cabinet 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 (RRUFF)
Locality
Tanco pegmatite, Bernic Lake, Manitoba, Canada
Tagged
ore mineral , pegmatite mineral

A large specimen of rubellite tourmaline, a variety of Elbaite with Pollucite. The Pollucite is very rich in this specimen and is basically all of the colorless Quartz-looking mineral. Rubellite contains about 3% rubidium and is commonly associated with the rare zeolite, Pollucite. Pollucite, the chief ore of cesium, contains about 43% cesium, although it is not that rich at Tanco. 

Collected and studied by Dr. David London for his book titled "Pegmatites".

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.

Collection
Dr. David London Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Elbaite
On Dakota Matrix
Other Available Elbaite
WebMineral
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Mindat
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