andalusite
/ˌandəˈluːsʌɪt
/noun [mass noun]
A grey, green, brown, or pink aluminosilicate mineral occurring mainly in metamorphic rocks as elongated rhombic prisms, sometimes of gem quality.The aluminium silicate minerals andalusite, kyanite, and sillimanite are good examples of this phenomenon of polymorphism....
- The spotted textures are marked by the growth of biotite, cordierite and andalusite on the metamorphic foliation.
- From Pliocene time the shallow emplacement of intrusive bodies resulted in thermal metamorphism (forming, for example, biotite, cordierite, andalusite, K-feldspar and corundum in pelites) and hydrothermal activity.
Origin
Early 19th century: from the name of the Spanish region of Andalusia + -ite1.
- pastoral property
- pastoral run
- pastoral staff
- pastoral theology
- pastorate
- past-ordinar
- pastorela
- pastorella
- pastoress
- pastorhood
- pastorie
- pastorless
- pastor-like
- pastorly
- pastorship
- pastose
- pastourelle
- past participial
- past participle
- past perfect
- past-pointing
- past president
- past profit
- past progressive
- pastrami