A*nor"tho*site (?), n. [F.
anorthose triclinic feldspar (fr. Gr. &?; priv. + &?; straight)
+ -ite.] (Petrol.) A granular igneous rock composed
almost exclusively of a soda-lime feldspar, usually
labradorite.
A*nor"tho*site (?), n. [F.
anorthose triclinic feldspar (fr. Gr. &?; priv. + &?; straight)
+ -ite.] (Petrol.) A granular igneous rock composed
almost exclusively of a soda-lime feldspar, usually
labradorite.