Physical feature
1. Color- Pale blue, gray , white
2. Streak- White.
3. Luster- Pearly to vitreous.
4. Cleavage- excellent.
5. Transparency- Translucent to transparent.
6. Fracture- None.
7. Hardness- 4(c axis) 7(b axis).
8. Forms- Long, lath-shaped crystals.
Kyanite is a gray greenish-blue. This mineral consisting of aluminium silicate in crystalline forms occurs in metaphoric rock. Kyanite is a very high pressure mineral, which means under extreme pressure the sedimentary rocks will change into metamorphic rocks. Kyanite is used as a refractory. In our modern world we manufacture spark plugs and other heat resistant ceramics from the mineral kyanite. Its also said to have the power of creativity and give one a sense of being calm and tranquil. Many of these mineral occurrences happen in mica schist's. Kyanite can be associated with staurolite, garnet, cornudrum, quarts and micas. Found in Europe, Russia and the U.S.A. (N. Carolina).
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