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Microcline etched graphic granite

#DL63814
SOLD
Microcline from Little Three mine, San Diego Co., California, United States - DL63814
Microcline from Little Three mine, San Diego Co., California, United States - DL63814

Microcline etched graphic granite

#DL63814
Availability
Sold
Size
9 x 8 x 6 cm - Sm Cabinet 
Formula
KAlSi3O8 (RRUFF)
Locality
Little Three mine, San Diego Co., California, United States
Tagged
pegmatite mineral

An unusual specimen of graphic granite in which all of the original Quartz rods were dissolved away leaving voids in the specimen.

It is illustrated on page 137 Fig. 8-10b of London's book "Pegmatites".

Illustrated in London's book "Pegmatites"

Microcline

Formula
KAlSi3O8 
Crystal System
Triclinic 
Crystal Habit
Blocky, Crystalline - Coarse, Prismatic 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
bluish green, green, gray, grayish yellow, yellowish 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness
6 

Data courtesy of Webmineral.

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