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Petalite

#DL60768
SOLD
Petalite from Tanco pegmatite, Bernic Lake, Manitoba, Canada - DL60768
Petalite from Tanco pegmatite, Bernic Lake, Manitoba, Canada - DL60768

Petalite

#DL60768
Availability
Sold
Size
15 x 9 x 2.5 cm - Cabinet 
Formula
LiAlSi4O10 (RRUFF)
Locality
Tanco pegmatite, Bernic Lake, Manitoba, Canada
Tagged
pegmatite mineral , lithium

Large chunk of Petalite with an interesting pearly luster. Petalite has a basal cleavage and is seen on this specimen as a somewhat undulating suface and not as good flat plane. It is less dense than Quartz and Pollucite and feels light in-hand. The specimen is from the Dr. David H. London collection. I obtained the bulk of his research pegmatite collection and many of the specimens are illustrated in his "Pegmatites" book. Most of the specimens will be show cased on a Special Edition later this year.

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
Mineralpedia
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On Dakota Matrix
Previously Sold Petalite
On Dakota Matrix
Other Available Petalite
WebMineral
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Mindat
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Other Sold

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