perthite

Noun

Meaning

A kind of feldspar consisting of a laminated intertexture of albite and orthoclase, usually of different colors.

Source: Webster's dictionary

Synonyms

gael highlander jock feldspar caledonian moonstone albite anorthite nepheline lowlander braveheart Glaswegian amazonite Aberdonian labradorite
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Anagrams

tephrite

Examples

Perthite is a typical texture in alkali feldspar, due to exsolution of contrasting alkali feldspar compositions during cooling of an intermediate composition. Source: Internet

Feldspar (Amazonite) Perthite is either microcline or orthoclase with thin lamellae of exsolved albite. Source: Internet

In the acid rocks the common feldspars are orthoclase, perthite, microcline, and oligoclase—all having much silica and alkalis. Source: Internet

If the high temperature intermediate composition alkali feldspars are allowed to cool slowly, exsolution occurs and a perthite structure results. Source: Internet

Close letter words and terms

perthiocyanate perthiocyanic acid perthiocyanogen perthitic perthitically Perthonality