Plagioclase definitions

Plagioclase

1) Albite 2) Albitic 3) Anorthite 4) Anorthitic 5) Oligoclase
Found on https://www.crosswordclues.com/clue/plagioclase

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Plagioclase

1) Calcium mineral 2) Feldspar 3) Felspar 4) Oligoclase 5) Sodium mineral
Found on https://www.crosswordclues.com/clue/plagioclase

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Plagioclase

Plagioclase is a series of tectosilicate minerals within the feldspar family. Rather than referring to a particular mineral with a specific chemical composition, plagioclase is a solid solution series, more properly known as the plagioclase feldspar series (from the Greek `oblique fracture`, in reference to its two cleavage angles). This was fir.....
Found on http://en.wikipedia.org/wiki/Plagioclase

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Plagioclase

• (n.) A general term used of any triclinic feldspar. See the Note under Feldspar.
Found on http://thinkexist.com/dictionary/meaning/plagioclase/

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plagioclase

any member of the series of abundant feldspar minerals usually occurring as light-coloured, glassy, transparent to translucent, brittle crystals. ... [6 related articles]
Found on http://www.britannica.com/eb/a-z/p/75

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plagioclase

a common mineral in igneous rocks, containing calcium, sodium, aluminum, silicon, and oxygen.
Found on http://www.encyclo.co.uk/visitor-contributions.php

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Plagioclase

Pla'gi·o·clase noun [ Greek ... oblique + ... to break.] (Min.) A general term used of any triclinic feldspar. See the Note under Feldspar .
Found on http://www.encyclo.co.uk/webster/P/98

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Plagioclase

A group of feldspar minerals with a composition range from NaAlSi3O8 to CaAl2Si2O8.
Found on http://www.evcforum.net/WebPages/Glossary_Geology.html

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Plagioclase

Plagioclase has the formulae Na(AlSi3O8) and a relative hardness of 6. It is the plagioclase feldspar group includes: albite, oligoclase, andesine, labradorite, bytownite, anorthite.
Found on http://www.probertencyclopaedia.com/browse/HP.HTM

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plagioclase

A type of feldspar containing various proportions of anorthite (CaAl2Si2O8) and albite (NaAlSi3O8).
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

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plagioclase

[n] - any of a rock-forming series of triclinic feldspars
Found on http://www.webdictionary.co.uk/definition.php?query=plagioclase

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plagioclase

plagioclase Any of the feldspar minerals varying in composition from acidic albite to basic anorthite found in most igneous rocks and which shows twinning striations on good cleavage surfaces.
Found on http://www.wordinfo.info/words/index/info/view_unit/1685/

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plagioclase

oligoclase noun any of a series of triclinic feldspars that form rocks
Found on https://www.encyclo.co.uk/local/20974

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