Potash-felspar
1Geochemistry — The field of geochemistry involves study of the chemical composition of the Earth and other planets, chemical processes and reactions that govern the composition of rocks and soils, and the cycles of matter and energy that transport the Earth s… …
2orthoclase — n. Potash felspar, orthose, prismatic felspar, felspar …
3Trachyte — is an igneous, volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. (See the QAPF… …
4sanidine — /ˈsænədin/ (say sanuhdeen) noun a mineral form of potash felspar, similar to orthoclase and occurring in some lavas. {German} …
5Petrography — is that branch of petrology which focuses on detailed descriptions of rocks. Someone who studies petrography is called a petrographer. The mineral content and the textural relationships within the rock are described in detail. Petrographic… …
6Paisley — PAISLEY, a burgh, market town, and ancient parish, in the Upper ward of the county of Renfrew, of which it is the principal place, and the seat of a wide manufacturing district, 7½ miles (W. by S.) from Glasgow, and 50 (W. by S.) from… …
7microclase — Min. (ˈmaɪkrəʊkleɪs) [ad. G. mikroklas, f. Gr. µῑκρό ς small + κλάσις cleavage.] A potash soda felspar occurring intercrystallized with orthoclase, from the St. Gotthard, Switzerland (Cassell s Encycl. Dict. 1885) …
