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Elbaite in Pollucite

#37761

Elbaite in Pollucite

#37761
Availability
Sold
Size
3.5 x 2.5 x 1.5 cm - Miniature 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 (RRUFF)
Locality
Mount Mica quarry, Paris, Oxford Co., Maine, United States
Tagged
pegmatite mineral

The late Art Smith acquired this specimen from David Seaman in the 1980's (see prov. tab). It is a nice representative specimen from this zoned pegmatite of "rubellite" elbaite tourmaline in colorless Pollucite. Mount Mica pegmatite can be classified as a poorly zoned Lithium-Cesium-Tantalum pegmatite. It was one of Maine's first gem mines and is a serial producer of gem quality tourmaline.

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
Art Smith 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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