ట్రిక్లినిక్ ఫెల్స్పార్లు రాళ్ళను నిర్మించే వరుస,

oligoclase's Usage Examples:

The name oligoclase is derived from.

variety of tonalite in which the plagioclase is mostly in the form of oligoclase.

Feldspar is present as plagioclase (typically oligoclase or andesine) with 10% or less alkali feldspar.

of albite or oligoclase, together with chlorite, epidote, calcite, and actinolite.

Feldspar is present as plagioclase (typically oligoclase or andesine) with 10% or less potassium feldspar.

The accessory minerals of these rocks are principally oligoclase, muscovite, apatite and zircon.

A solid solution of the plagioclase feldspar oligoclase +/− the potassium feldspar orthoclase also produces moonstone specimens.

Mugearite Igneous rock Mugearite lava flow (on right); flow on left is hawaiite; at North Berwick, Scotland Composition oligoclase, olivine.

This is coloured yellow brown to pink and contains fine crystals of perthite, and oligoclase and quartz, coloured by limonite.

effect is sometimes seen in orthoclase: hence two kinds of sunstone are distinguished as "oligoclase sunstone" and "orthoclase sunstone".

(/ˈmʌɡiəraɪt/) is a type of oligoclase-bearing basalt, comprising olivine, apatite, and opaque oxides.

The plagioclase is sodium-rich, usually albite or oligoclase.

includes large crystals of potassium feldspar surrounded by green rings of oligoclase.