| Part of Speech | Definition | |
| Noun | 1. 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.[Websters]. | |
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Date "FELDSPATH" was first used in popular English literature: sometime before 1779. (references) |
Specialty Definition: FELDSPATH
| Domain | Definition | ||
| Industry | Any of a group of usu. white or nearly white, flesh-red, bluish, or greenish minerals that are closely related in crystalline form, that are all aluminum silicates with potassium, sodium, calcium, or barium. Source: European Union. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
