Mineralpedia Details for Kyanite
Kyanite
- Formula
- Al2OSiO4
- Crystal System
- Triclinic
- Crystal Habit
- Columnar, Fibrous
- Cleavage
- Perfect, Imperfect, None
- Luster
- Vitreous - Pearly
- Color
- blue, white, gray, green, black
- Streak
- white
- Class
- Triclinic - Pinacoidal
- Fracture
- Brittle
- Hardness
- 4-7
- WebMineral
- View Kyanite
- Mindat
- View Kyanite
Kyanite from Pizzo Forno, Chironico Valley, Leventina, Ticino, Switzerland
Blue bladed Kyanite crystals with Schorl.
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Kyanite from Kola Peninsula, Russia
Deep blue Kyanite blades to 3cm in green Fuchsite.
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Kyanite from Cobble Mt. Reservoir, Blanford, Maryland, United States
Long bluish green Kyanite blades to 8cm.
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Kyanite from Marilac, Minas Gerais, Brazil
For black Kyanite - not bad. This one kind of reminds me of a "comb-over".
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Kyanite from Bahia, Brazil
Blue bladed and platy crystals of Kyanite to 7cm.
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Kyanite from Barra do Salinas, Coronel Murta, Minas Gerais, Brazil
Deep blue blades of Kyanite to 7cm. Note the darkest blue color is a band through the center, typical for Kyanite.
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Kyanite from Mautia Hill, Central prov., Dodoma, Tanzania
Unusual green bladed Kyanite.
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Kyanite from Cullen, Charlotte Co., Virginia, United States
Blue divergent crystals of Kyanite to 3.5cm in Quartz matrix.
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Kyanite from Sponda Alp, Chironico Valley, Leventina, Ticino, Switzerland
Large cabinet specimen of blue Kyanite blades to 8cm long in Pyrophyllite (?) matrix or "mica schist". This is a classic well-know locality which is often featured in many older mineral/geology picture books.
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