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Kaolinite after Orthoclase

#PD31698
SOLD
Kaolinite from St. Austell, Cornwall, England - PD31698
Kaolinite from St. Austell, Cornwall, England - PD31698

Kaolinite after Orthoclase

#PD31698
Availability
Sold
Size
8.5 x 4.5 x 1.1 cm - Sm Cabinet 
Formula
Al2Si2O5(OH)4 (RRUFF)
Locality
St. Austell, Cornwall, England

White tabular crystal of formerly twinned Orthoclase completed replaced by Kaolinite.

Kaolinite

Formula
Al2Si2O5(OH)4 
Crystal System
Triclinic 
Crystal Habit
Earthy 
Cleavage
Perfect, None, None 
Luster
Earthy (Dull) 
Color
white, brownish white, grayish white, yellowish white, grayish green 
Streak
white 
Class
Triclinic - Pedial 
Fracture
Earthy 
Hardness
1.5-2 

Data courtesy of Webmineral.

Collection
Phillips Collection
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