First off, what is this? This is a photomicrograph of dunite, an ultramafic rock composed almost entirely of the mineral olivine. The vivid colors were produced by viewing the subject, a thin section of the rock containing birefringent crystals, through crossed polarizing filters. Continue reading
Categories
Tags
birefringence Books Dana Number depth of field Descriptive Mineralogy Determinative Mineralogy DoF dunite Edward Salibury Dana events focal stacking infinity corrected objective James Dwight Dana macrophotography magnification micromounting mineral collecting Mineralogy Minerals of Georgia myristic acid news north carolina olivine photogrpahy photomicrography photo mosaic polarized light microscopy science as art stacked images Stacked lenses stacking Systematic Mineralogy thin section-
Join 63 other subscribers
Focal Point Mineralogy on Twitter
My Tweets