| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. (Min.), a variety of feldspar, the crystals of which are very clear like ice; rhyacolite.[Websters]. | |
| Top | ||
| Expressions | Definition | ||
| Ice spar | (Min.), a variety of feldspar, the crystals of which are very clear like ice; rhyacolite. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Ice spar | Geography | High-temperature mineral of alkali feldspar group, with a highly disordered monoclinic form, occurring in clear, glassy, often tabular crystals embedded in unaltered acid volcanic rocks such as trachyte. Source: European Union. (references) | |
| Ice spar | Mining | A white transparent variety of orthoclase. Syn: sanidine. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||