Gem, Rock, and Mineral Postage Stamps Featuring
Kyanite


Mineral Name: Kyanite

Composition: Aluminum silicate

Nomenclature: Named after the Greek word kyanos which means "blue" because of its color.

Industrial Uses: High-temperature ceramics and crucibles.

Additional Notes: Kyanite is extremely thermally stable, and is able to withstand rapid temperature changes without breaking. Kyanite is also referred to as cyanite, even in some recent literature.



Kenya : Scott 100 : 30 cents : 13 Dec 1977

Kyanite



Malawi : Scott 373 : 1 kwacha : 20 Aug 1980

Kyanite