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feldspath

Feldspath is a 9 letter word which starts with the letter F and ends with the letter H for which we found 1 definitions.

Definition
(n.) A name given to a group of minerals closely related in crystalline form and all silicates of alumina with either potash soda lime or in one case baryta. They occur in crystals and crystalline masses vitreous in luster and breaking rather easily in two directions at right angles to each other or nearly so. The colors are usually white or nearly white flesh-red bluish or greenish.
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