- feldspathoidal
- feld·spath·oi·dal
English syllables. 2014.
feldspathoidal
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feldspathoidal — adjective see feldspathoid … Useful english dictionary
Kalsilite — (KAlSiO4) is a vitreous white to grey feldspathoidal mineral that is found in some potassium rich lavas, such as from Chamengo Crater in Uganda. It has a relative hardness of 5.5.See also: List of minerals … Wikipedia
feldspathoid — /feld spa thoyd , fel /, Mineral. adj. 1. Also, feldspathoidal. of or pertaining to a group of minerals similar in chemical composition to certain feldspars except for a lower silica content. n. 2. a mineral of this group, as nepheline. [1895… … Universalium
melilite — /mel euh luyt /, n. a sorosilicate mineral group, consisting chiefly of sodium, calcium, and aluminum silicates, occurring in igneous rocks. [1790 1800; < NL melilithus, equiv. to Gk méli honey + líthos LITE] * * * ▪ mineral any member of a … Universalium
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
feldspathoid — 1. noun Any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds. Feldspathoids are silica poor variants of the feldspar group. ,Varieties: , leucite ,… … Wiktionary
