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mineral > polymorphic mineral > metastable mineral

metastable mineral comparison table

Subject	is one of	be produced by mechanism	is produced by mechanism	have progenitor mineral	has genesi	has abundance in iron meteorite	is an instance of	has stable polymorph
coesite	4000 well-characterized minerals						metastable mineral	quartz
cristobalite	295 minerals found to occur in meteorites					rare	rare iron meteorite mineral	quartz
diamond	295 minerals found to occur in meteorites	shock exceeding 13 GPa on the meteorite parent bodies not during collison with Earth		graphite when produced by shock metamorphism	before our solar system was formed if found in meteorite and appears as an interstellar grain inclusion	very rare only found in one or a few meteorites	very rare iron meteorite mineral	graphite
lonsdaleite	4000 well-characterized minerals	shock	shock exceeding 13 GPa on the meteorite parent bodies not during collison with Earth	graphite when produced by shock metamorphism	before our solar system was formed if found in meteorite and appears as an interstellar grain inclusion	very rare only found in one or a few meteorites	mineral not present on Earth	graphite
majorite	4000 well-characterized minerals	solid state shock transformation into veins in highly shocked ordinary chondrites		orthopyroxene when produced by shock metamorphism			mineral not present on Earth	orthopyroxene
ringwoodite	4000 well-characterized minerals	solid state shock transformation into veins in highly shocked ordinary chondrites		olivine when produced by shock metamorphism			mineral not present on Earth	olivine
tridymite	295 minerals found to occur in meteorites					rare	rare iron meteorite mineral	quartz

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