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0 item @ $0.00  

Elbaite var. rubellite in Lepidolite

#54644

Elbaite var. rubellite in Lepidolite

#54644
Availability
Available
Price
$40.00
Size
9 x 7 x 6 cm - Sm Cabinet 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 (RRUFF)
Locality
Ingersoll mine, Pennington Co., South Dakota, United States
Tagged
pegmatite mineral

Pink prismatic Elbaite, variety rubellite, crystals to over 1cm in Lepidolite.  Rubellite was rather uncommon at the Ingersoll mine. This is a dump 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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