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TURQUOISE, a mineral much used as an ornamental stone for the sake of its blue or bluish-green colour. It is generally held that the name indicates its source as a stone from Turkey, the finest kinds having come from Persia by way of Turkey, whence it was call ...

... the yellow pigment which contributes to form the green colour, are sky-blue or turquoise blue; the lower parts are granulate and white. The family Hylidae, of which the European tree frog is the type, is closely related to the Bufonidae or true roads, being d ...