(Encyclopedia) Kostelanetz, AndréKostelanetz, Andréänˈdrā kŏsˌtəläˈnĭts [key], 1901–80, American pianist and conductor, b. St. Petersburg, Russia. After studying at the St. Petersburg Conservatory of…
(Encyclopedia) cryolite or kryolitecryoliteboth: krīˈəlītˌ [key] [Gr.,=frost stone], mineral usually pure white or colorless but sometimes tinted in shades of pink, brown, or even black and having a…
(Encyclopedia) apatiteapatiteăpˈətīt [key], mineral, a phosphate of calcium containing chlorine or fluorine, or both, that is transparent to opaque in shades of green, brown, yellow, white, red, and…
(Encyclopedia) junco or snowbird, small seed-eating bird of North America closely related to the sparrows. Juncos have white underparts and gray (sometimes also brown) backs. They travel in flocks.…
(Encyclopedia) killdeer, common North American shorebird related to the plover and the sandpiper. It is about 10 in. (25 cm) in length and its plumage is grayish brown with a double black band across…
(Encyclopedia) tanzanitetanzanitetănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium…
(Encyclopedia) bushmaster, large venomous snake, Lachesis muta, of Central America and N South America. It is a member of the pit viper family, which also includes the rattlesnake. The largest New…
(Encyclopedia) cassiteritecassiteritekəsĭtˈərīt [key], heavy, brown-to-black mineral, tin oxide, SnO2, crystallizing in the tetragonal system. It is found as short prismatic crystals and as irregular…
