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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 an alpha prime refractive index in 1.68 Melt Mount. The very pale blue on the right and dark red on the left indicate a refractive index slightly below 1.680

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)