Name: Olivine (Fo88) (Fe+2,Mg)2SiO4
Type: Mineral
Class: Silicate
Subclass: Nesosilicate
Particle Size: Fine
Sample No.: olivine_9
Owner: JHU
Wavelength Range: TIR
Origin: South Point, Hawaii via Trude King #GSB
Collection Date: N/A
Description: Samples of olivine from an olivine sand beach were optically examined using a petrographic microscope prior to spectral measurements to insure purity of the olivine.  The sample was >98% pure olivine.  It was hand ground and wet sieved into <60 micrometers size range.  Sample preparation was by Trude King, USGS, Denver. Particle size was less than 2 Micrometers. (Isolated tetrahedra); (Olivine Group) Original ASTER Spectral Library name was jhu.nicolet.mineral.silicate.nesosilicate.powder.olivin9.spectrum.txt
Mineral:  Olivine (Fo88) (Fe+2,Mg)2SiO4

Sample No.:  olivine.9

XRD Analysis:  None.

Chemistry:  Microprobe analysis by W.I. Ridley, USGS, showed good 
Fo88 composition:

SiO2	41.09
TiO2	0.01
Al2O3	0.00
Cr2O3	0.05
MnO	0.21
NiO	0.39
FeO 	9.16
MgO 	49.29
CaO	0.03
	
Total	100.23
