Olivine
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The mineral olivine is a magnesium iron silicate with the chemical formula 2SiO4. It is a type of nesosilicate or orthosilicate. The primary component of the Earth's upper mantle, it is a common miner
Olivine gem 7 10a
Olivine in cross-polarized light
Olivine grains that eroded from lava on Papakolea Beach, Hawaii
Light green olivine crystals in peridotite xenoliths in basalt from Arizona
Pallasite
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The pallasites are a class of stony-iron meteorite. They are relatively rare, and can be distinguished by the presence of large olivine crystal inclusions in the ferro-nickel matrix.
Olivine
…into infant stars, as well as on asteroid 25143 Itokawa. Such meteorites include chondrites, collections of debris from the early Solar System; and pallasites, mixes of iron-nickel and olivine. The rare A-type asteroids are suspected to have a surface dominated by olivine. The spectral signature of olivine…
A slice of the Esquel pallasite, clearly showing the large olivine crystals suspended in the metal matrix.
Eagle Station, ES group
Krasnojarsk meteorite
Brenham