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Related to andalusite: sillimanite


A hard, grayish white to pinkish brown mineral (Al2SiO5), occurring as nearly square prisms, often with cruciform cross sections, in metamorphic rock.

[After Andalusia.]


(Minerals) a grey, pink, or brown hard mineral consisting of aluminium silicate in orthorhombic crystalline form. It occurs in metamorphic rocks and is used as a refractory and as a gemstone. Formula: Al2SiO5


(ˌæn dlˈu saɪt)

an orthorhombic form of aluminum silicate, Al2SiO5, found in schistose rocks.
[1830–40; after Andalusia, where it was first found; see -ite1]
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References in periodicals archive ?
She can take a strong hold early on in her races but this is likely to be run at a decent tempo with the likes of recent Brighton winner Andalusite and Gay Kelleway's Stosur in attendance, and I can see this track being to her liking as well.
A high temperature-low pressure metamorphic assemblage of biotite, andalusite, staurolite, garnet, muscovite, and quartz is developed in the sedimentary rocks up to 500 m from the granite (Ruitenberg 1967; Fyffe et al.
Other minerals include muscovite, biotite, sericite, tourmaline, andalusite, garnet, epidote, apatite and some accessory opaque minerals.
Tenders are invited for Supply of 857 Mt Of Andalusite For Sru Ifico
From the whole story of polymetamorphism it seems that kyanite belongs to the early events with deformation and andalusite and sillimanite (fibrolite) to the late (contact) metamorphism.
With current data, Guadalupito would be a $100 million investment that would yield 200,000 mt/y of iron ore, 150,000 mt/y of andalusite and some zircon, rutile and ilmenite.
These igneous bodies led to a contact metamorphism in the country rocks with the growth of biotite, cordierite and andalusite.
2: how to identify and buy alexandrite, andalusite, chrysoberyl cat's-eye, kyanite, common opal, fire opal, dinosaur gembone, tsavorite, rhodolite & other garnets.
Previous drilling at Guadalupito has demonstrated its potential for multi commodity project including Magnetite, Gold, Andalusite, Ilmenite, Zircon, Rare Earths and Tungsten.
4-inch image of an andalusite crystal, each sitting totally alone (except for some caption text) on big black 12 X 13-inch pages?
The minerals in sand ate 93% to 96% quartz, opaque heavy minerals between 3% - 5% and the remaining 1% - 3% minerals in decreasing order, muscovite, homblende, chlorite, tourmaline, staurolite, garnet, andalusite, biotite and zircon.