Mineral:  Hemimorphite Zn4Si2O7(OH)2.H2O

Sample No.: hemimor.1

XRD Analysis:  Pure hemimorphite.

Chemistry:  Microprobe analysis showed that the sample is 
homogeneous within and between grains.  Average of 10 analyses:

SiO2	22.51
Al2O3	0.09
FeO	0.25
MgO	0.07
CaO	0.04
K2O	0.04
Na2O	3.24
TiO2	0.11
MnO	0.22
	_____
Total	26.57
	*Zn and H2O not measured.
