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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 | Mineral |
| Formula (repeating unit) | 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 |
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