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Kornerupine
- Translations : Kornerupin, Корнерупин, Kornerupita
- Synonym : Kornerupite
- Etymology : Du nom du géologue danois A.N. Kornerup (1857-1881).
- Discovery: 1884 by Lorenzen
- Type localityFiskenæsset old harbour, Fiskenæsset (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Sermersooq, Greenland
Gemological data
- Chemical formula : Mg4 (Al,Fe+3)6 (Si,B)4 O21 (OH)
- Hardness (Mohs) : 6.5 - 7
- Density : 3.25 - 3.45
- Refractive index : nα = 1.660 - 1.671 nβ = 1.673 - 1.683 nγ = 1.674 - 1.684
- Birefingence : 0.012 - 0.017
- Crystal system : Orthorhombique
- Group : Silicates
- Mineralogical Class : Sorosilicates
The gallery
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- Kornerupine
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- KORN0002
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- KORN0003
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- KORN0004
