Definition of Oligoclase. Meaning of Oligoclase. Synonyms of Oligoclase

Here you will find one or more explanations in English for the word Oligoclase. Also in the bottom left of the page several parts of wikipedia pages related to the word Oligoclase and, of course, Oligoclase synonyms and on the right images related to the word Oligoclase.

Definition of Oligoclase

Oligoclase
Oligoclase Ol"i*go*clase, n. [Oligo- + Gr. ? fracture, fr. ? to break.] (Min.) A triclinic soda-lime feldspar. See Feldspar.

Meaning of Oligoclase from wikipedia

- Oligoclase is a rock-forming mineral belonging to the plagioclase feldspars. In chemical composition and in its crystallographic and physical characters...
- as andesite. Oligoclase is common in granite, syenite, diorite, and gneiss. It is a frequent ****ociate of orthoclase. The name oligoclase is derived from...
- (/ˈmʌɡiəraɪt/) is a type of oligoclase-bearing basalt, comprising olivine, apatite, and opaque oxides. The main feldspar in mugearite is oligoclase. The rock type...
- the town of St. Gotthard. Solid solution of the plagioclase feldspar oligoclase +/- the pot****ium feldspar orthoclase also produces moonstone specimens...
- Otwayite Varieties that are not valid species: Obsidian (a mineraloid) Oligoclase (a mixture of albite and anorthite) Onyx (a monochromatic banded variety...
- a flowing, often ropy appearance Basaltic trachyandesite Mugearite – Oligoclase-bearing basalt, comprising olivine, apatite, and opaque oxides Shoshonite –...
- appearance is oligoclase, though the effect is sometimes seen in orthoclase: hence two kinds of sunstone are distinguished as "oligoclase sunstone" and...
- with phaneritic texture. Feldspar is present as plagioclase (typically oligoclase or andesine) with 10% or less alkali feldspar. Quartz is present as more...
- (with percent anorthite in parentheses): albite (0 to 10) NaAlSi3O8, oligoclase (10 to 30) (Na,Ca)(Al,Si)AlSi2O8, andesine (30 to 50) NaAlSi3O8–CaAl2Si2O8...
- with phaneritic texture. Feldspar is present as plagioclase (typically oligoclase or andesine) with 10% or less pot****ium feldspar. Quartz is present at...
Loading...