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Labradorite - plagioclase

#BW59218

Labradorite - plagioclase

#BW59218
Availability
Available
Price
$45.00
Size
6.5 x 5 x 3.5 cm - Sm Cabinet 
Formula
Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8 (RRUFF)
Locality
Wilmington, Essex Co., New York, United States

Dark greenish greay large crystal grains to 2cm showing good striations, a key to the identification of plagioclase as opposed to orthoclase. This Labradorite does not exhibit a colorful schiller effect.

Labradorite

Formula
Na0.5-0.3Ca0.5-0.7Al1.5-1.7Si2.5-2.3O8 
Crystal System
Triclinic 
Crystal Habit
Granular, Crystalline - Coarse, Striated 
Cleavage
Perfect, Good, Distinct 
Luster
Vitreous (Glassy) 
Color
colorless, gray, gray white, white, light green 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Bill Wilson Collection

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