olivine

How To Use olivine In A Sentence

• Gem varieties include topazolite, similar in color and transparency to topaz; demantoid, a green variety with a high dispersion and adamantine luster, sometimes miscalled olivine and Uralian emerald; and black melanite.
• Myles L. Miller, Scott S. Hughes, 2009, Mixing primitive and evolved olivine tholeiite magmas in the Eastern Snake River Plain, Idaho Scientific Articles on Yellowstone
• The use of "demantoid" alone, if a noun may be made from the adjective, would avoid both the confusion with the mineral olivine, and the cheapening effect of the word garnet, and would at the same time suggest some of the most striking properties of the material. A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
• What Spitzer observed was a sort of perpetual crystalline rainstorm made of a bright green mineral of a class called olivine, pouring down on the infant star. TIME.com: Top Stories
• Some of the characteristic minerals found in kimberlite are olivine, pyrope garnet, enstatite, diopside, ilmenite, phlogopite, perovskite, magnetite, and spinel.
• Second, in a process known as differentiation, crystals of olivine, clinopyroxene, and plagioclase began to crystallize from the magma, and being more dense than the magma, they settled to the bottom of the chamber.
• I found a mass of crystals of the greenish volcanic glass, called olivine, imbedded in a piece of phonolite which looked as blue and fresh as if only quarried yesterday. The Hawaiian Archipelago
• In these most ancient parts of Mars, we have found that running liquid water altered the original mineral structures in some of the basaltic, olivine-bearing rocks into carbonate-bearing rocks. SETI Institute: Life at the SETI Institute: Adrian Brown -- The Time for Mars is Now
• All basalt chemical compositions can be plotted in the basalt tetrahedron, which has normative quartz, olivine, nepheline and augite at the apices.
• I think aragonite, olivine and ice have hexagonal crystals whereas diamond has octahedral. Universe Puzzle No. 3 | Universe Today