Krinovite

Krinovite (pronounced kreen'-off-ite) is an emerald-green triclinic meteorite mineral, containing chromium, magnesium, oxygen, silicon, and sodium, of the aenigmatite group.^[2][3] "It has been discovered within graphite nodules in three iron meteorites," specifically the Canyon Diablo, Wichita County, and Youndegin meteorites.^[4] It was named in honour of Evgeny Leonidovich Krinov, Russian investigator of meteorites.^[5] It is a decaoxotrisilicate in the sorosilicate subclass.

Krinovite
General
Category	Minerals
Formula	NaMg2CrSi3O10
IMA symbol	Kvi[1]
Identification
Formula mass	367.85 gm
Color	Emerald green
Cleavage	None observed
Mohs scale hardness	5½ - 7
Luster	Sub-Adamantine
Streak	Greenish white
Diaphaneity	Subtranslucent to opaque
Density	3.38