Sample No.: Acmite.1

XRD Analysis:  Pure acmite.

Chemistry:  Microprobe analysis showed a small (ca. 1 wt %) 
variability in FeO, CaO, MgO and TiO2 within grains.  An average of 
15 analyses indicates close to end member composition:

SiO2	52.68
Al2O3	0.35
FeO	28.87
MgO	0.55
CaO	1.28
K2O	0.02
Na2O	12.98
TiO2	0.65
MnO	0.65
	_____
Total 	98.01
