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Photographic gallery.  Thousands of particles under the microscope.
Beach at Makauwahi Cave, Kauai, Hawaii

Beach at Makauwahi Cave, Kauai, Hawaii

This is an olivine showing the oblique dispersion staining colors for a gamma prime refractive index in 1.68 Melt Mount. The vivid blue on the right and orange on the left indicate a refractive index for this gamma prime of about 1.7

Transmitted Oblique Dispersion Staining, North/South Single Polarizing Filter


Significance in the Environment:

Characteristic Features:

Associated Particles:


Blay, Chuck and Robert Siemers, KAUAI'S GEOLOGIC HISTORY, A SIMPLIFIED GUIDE, TEOK Investigations, 2004 (ISBN 0-9744723-0-1)