kyanite
nesosilicate mineral
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Summary
kyanite is a mineral species[1]. kyanite ranks in the top 2% of mineral species entities by monthly Wikipedia readership (2,201 views/month).[2]
Key Facts
- Named after: dark blue[3]
- Chemical formula: Al₂OSiO₄[4]
- Subclass of: nesosilicates[5], aluminosilicate[6]
- Commons category: Kyanite[7]
- Streak color: white[8]
- Crystal system: triclinic crystal system[9]
- IMA status and/or rank: approved mineral and/or valid name (A)[10]
- Strunz 8th edition (series ID, updated): VIII/A’.02[11]
- Nickel-Strunz 9th edition (updated 2009): 9.AF.15[12]
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.AF.15[13]
- Mohs' hardness: 7.5[14], 4.5[15]
- Described by source: National Encyclopedia of Uzbekistan[16], Mineralsystem des Herrn Inspektor Werners mit dessen Erlaubnis herausgegeben von C A S Hoffmann[17], Brockhaus and Efron Encyclopedic Dictionary[18], Small Brockhaus and Efron Encyclopedic Dictionary[19], Encyclopædia Britannica 11th edition[20], Armenian Soviet Encyclopedia, vol. 5[21]
- Type locality (geology): Austria[22]
- IMA Mineral Symbol: Ky[23]
Why It Matters
kyanite has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[24] kyanite is known by 46 alternative names across languages and contexts.[25]