andalusite


an·da·lu·site

A0287800 (ăn′də-lo͞o′sīt′)n. A hard, grayish white to pinkish brown mineral (Al2SiO5), occurring as nearly square prisms, often with cruciform cross sections, in metamorphic rock.
[After Andalusia.]

andalusite

(ˌændəˈluːsaɪt) n (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

an•da•lu•site

(ˌæn dlˈu saɪt)

n. an orthorhombic form of aluminum silicate, Al2SiO5, found in schistose rocks. [1830–40; after Andalusia, where it was first found; see -ite1]
Translations