Mineral:  Calcite CaCO3

Sample No.: calcite.2

XRD Analysis:  Pure calcite.

Chemistry:  Volatile analysis by C. S. Papp, J. D. Sharkey, and K. J. 
Curry, and XRF analysis of the non-volatiles by J. Taggare, A. 
Bartel,and D. Diems, USGS Branch of Analytical Chemistry, Denver, 
showed only minor contamination and the expected oxide ratios of Ca 
and C:

SiO2 	<0.10
Al2O3	<0.10
FeTO3	<0.06
MgO	0.30
CaO	55.60
K2O	<0.02
Na2O	<0.15
TiO2	<0.02
P2O5	<0.05
MnO	0.04
CO2	43.97
H2O 	0.06
	_____
Total	100.47

NO SOLID SAMPLE IS AVAILABLE
