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Petalite

#DL63803
SOLD
Petalite from Tanco pegmatite, Bernic Lake, New Mexico, United States - DL63803
Petalite from Tanco pegmatite, Bernic Lake, New Mexico, United States - DL63803

Petalite

#DL63803
Availability
Sold
Size
7.5 x 6.5 x 5 cm - Sm Cabinet 
Formula
LiAlSi4O10 (RRUFF)
Locality
Tanco pegmatite, Bernic Lake, New Mexico, United States
Tagged
pegmatite mineral , lithium

Somewhat glassy specimen with a dull vitreous luster. Note the unusual purple near the top of the second photo. Illustrated on page 56, Fig. 4-9a.

Illustrated in London's book "Pegmatites"

Petalite

Formula
LiAlSi4O10 
Crystal System
Monoclinic 
Crystal Habit
Massive 
Cleavage
Perfect, Imperfect, None 
Luster
Vitreous - Pearly 
Color
colorless, gray, yellow, yellow gray, white 
Streak
colorless 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
6-6.5 

Data courtesy of Webmineral.

Collection
Dr. David London Collection
Special Info
Illustrated in London's book "Pegmatites"
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