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Allochetite

A rock subtype
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A porphyritic fine-grained variety of nepheline-monzosyenite containing phenocrysts of labradorite, orthoclase, titanian augite and nepheline in a felted groundmass of augite, biotite, hornblende, nepheline and orthoclase.


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Unique IdentifiersHide

Mindat ID:
50554
Long-form identifier:
mindat:1:1:50554:7

Similar NamesHide

AlouchtiteA synonym of Alushtite

Classification of AllochetiteHide

Mineralogy of AllochetiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Amphibole > HornblendeAnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Feldspar > Alkali Feldspar > OrthoclaseK(AlSi3O8)
Feldspar > Plagioclase > Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Feldspathoid > NephelineNa3K(Al4Si4O16)
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6

Synonyms of AllochetiteHide

Internet Links for AllochetiteHide

References for AllochetiteHide

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