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Examples of kyanite
kyanite
My test car came in a remarkably bright hue called kyanite blue.
From the online.wsj.com
These minerals, known as index minerals, include sillimanite, kyanite, staurolite, andalusite, and some garnet.
From the en.wikipedia.org
In this reaction, the ratio of talc and kyanite is dependent on aluminium content with more aluminous rocks favoring production of kyanite.
From the en.wikipedia.org
Where the schists of sedimentary origin have been pierced by these igneous intrusions, they are charged with contact minerals such as sillimanite, cordierite, kyanite and andalusite.
From the en.wikipedia.org
- A grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory
- Kyanite, whose name derives from the Greek word kuanos sometimes referred to as "kyanos", meaning deep blue, is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites and/or sedimentary rock. ...
- This crystal is a cut stone that is pale to deep blue or white, gray, or green.
- An aluminum-rich, blue to light green silicate mineral. Kyanite forms in metamorphic rocks at moderate temperature and high pressure.
- With a similar chemical composition to andalusite and fibrolite Kyanite it has a different crystal structure. It exhibits a range of colors including blue to colorless, blue-green and brown. On Mohs' scale of hardness, kyanite is 4-4.5. ...
- Takes its name from from the Greek word kyanos which means "deep blue." Formerly called disthene, kyanite is found primarily in shades of blues and greens. The shiny, translucent gemstone is known for its color zones and variation in hardness. ...
- Kyanite is a dark blue striated mineral with occasional colorless or light blue or green or pink inclusions. It is found mainly in Brazil but also Switzerland, India and parts of the USA.
- This stone often has chatoyency and you can see the crystal structure. Although most often blue in color it also can be green or gray.
