Mineral:  Anorthite CaAl2Si2O8

Sample No.: anorth.1

XRD Analysis:  Pure anorthite.

Chemistry:  Microprobe analysis of the recrystallized mineral showed 
it to be homogeneous within and between grains.  Average of 10 
analyses:

SiO2 	43.53
Al2O3	0.02
FeO 	0.02
MgO	0.03
CaO 	19.26
K2O	0.04
Na2O	0.03
TiO2	0.01
MnO 	0.03
	_____
Total 	100.32

NO SOLID SAMPLE AVAILABLE
