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1 item @ $25.00  
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Sanidine

#WR53991
SOLD
Sanidine from Itrongay, Betroka dist., Anosy, Toliara, Madagascar - WR53991
Sanidine from Itrongay, Betroka dist., Anosy, Toliara, Madagascar - WR53991

Sanidine

#WR53991
Availability
Sold
Size
3 x 1.5 x 1.5 cm - Thumbnail 
Formula
K(AlSi3)O8 (RRUFF)
Locality
Itrongay, Betroka dist., Anosy, Toliara, Madagascar

Gemmy yellow and transulcent Sanidine showing cleavage - it is a partial of a larger crystal.

Gem Quality

Sanidine

Formula
K(AlSi3)O8 
Crystal System
Monoclinic 
Crystal Habit
Blocky, Prismatic, Massive - Granular 
Cleavage
Perfect, Good, None 
Luster
Vitreous - Pearly 
Color
colorless, white, gray, yellowish white, reddish white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
6 

Data courtesy of Webmineral.

Collection
Willard L. Roberts Collection
Special Info
Gem Quality
Mineralpedia
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WebMineral
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