Definition of Andalusite. Meaning of Andalusite. Synonyms of Andalusite

Here you will find one or more explanations in English for the word Andalusite. Also in the bottom left of the page several parts of wikipedia pages related to the word Andalusite and, of course, Andalusite synonyms and on the right images related to the word Andalusite.

Definition of Andalusite

Andalusite
Andalusite An`da*lu"site, n. (Min.) A silicate of aluminium, occurring usually in thick rhombic prisms, nearly square, of a grayish or pale reddish tint. It was first discovered in Andalusia, Spain.

Meaning of Andalusite from wikipedia

- Andalusite is an aluminium nesosilicate mineral with the chemical formula Al2SiO5. This mineral was called andalousite by Delamétehrie, who thought it...
- pegmatites and sedimentary rock. It is the high pressure polymorph of andalusite and sillimanite, and the presence of kyanite in metamorphic rocks generally...
- Kyanite Andalusite Sillimanite Aluminosilicate minerals are minerals composed of aluminium, silicon, and oxygen, plus countercations. They are a major...
- Kyanite Andalusite Sillimanite Sillimanite is an aluminosilicate mineral with the chemical formula Al2SiO5. Sillimanite is named after the American chemist...
- minerals – kyanite, andalusite, and sillimanite – which share the chemical formula Al2SiO5. Kyanite is triclinic, while andalusite and sillimanite are...
- pressure, the mineral kyanite transforms to andalusite at a temperature of about 190 °C (374 °F). Andalusite, in turn, transforms to sillimanite when the...
- minerals is the dichroscope. Amethyst (very low): different shades of purple Andalusite (strong): green-brown / dark red / purple Beryl (medium): purple / colorless...
- usually andalusite and sillimanite, but kyanite appears also in hornfels, especially in those that have a schistose character. The andalusite may be pink...
- as E number E559. Kyanite Andalusite Sillimanite Al2SiO5, (Al2O3·SiO2), which occurs naturally as the minerals andalusite, kyanite and sillimanite which...
- are the polymorphs of aluminosilicate (Al2SiO5, all are nesosilicates). Andalusite is stable at low pressure, kyanite is stable at high pressure but relatively...