Sillimanite. Sillimanite is an aluminosilicate mineral with the chemical formula Al2SiO5. Sillimanite is named after the American chemist Benjamin Silliman …
Sillimanite is a mineral that belongs to the group of aluminosilicate minerals known as the sillimanite group. It is named after the American chemist Benjamin Silliman Jr., who first described the …
La formule chimique de la sillimanite est Al 2 SiO 5. Elle appartient à la famille des nésosilicates et est étroitement liée à d'autres minéraux tels que le kyanite et …
Detailed description, properties, and locality information guide about the mineral sillimanite.
Sillimanite is a typical mineral of high grade Al-rich metamorphic rocks, and mindat lists 1301 localities (November 2013). It is the high grade polymorph of kyanite and andalusite.
Localities for Sillimanite Hide. This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a …
Dans la région de Mont-Laurier, des indices de sillimanite et de muscovite associés à des paragneiss et à des diatexites ont été identifiés par le ministère des Ressources …
As with andalusite and kyanite, sillimanite is a feedstock mineral for conversion to mullite Al6Si2O13 (see extended discussion in Andalusite, Applications chapter). It is considered the best raw material for …
These minerals include the Al 2 SiO 5 polymorphs sillimanite, kyanite, and andalusite, all theoretically with 62.92 wt% Al 2 O 3. Although sillimanite is known to occur in many …
Le minéral a une dureté Mohs de 6.5 à 7.5, ce qui le rend relativement dur et résistant aux rayures. En raison de son point de fusion élevé et de son excellente …