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Beschtauite

A rock subtype
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A porphyritic rhyolite containing phenocrysts of sanidine and oligoclase.


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Unique IdentifiersHide

Mindat ID:
51136
Long-form identifier:
mindat:1:1:51136:2

Similar NamesHide

BeshtauiteA valid IMA mineral species(NH4)2(UO2)(SO4)2 · 2H2O

Classification of BeschtauiteHide

QAPF_V_3.png

Rhyolite appears in field 3 in the QAPF diagram.

TAS_R.png

Rhyolite is found in field 'R' in the TAS diagram.

Mineralogy of BeschtauiteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspar > Alkali Feldspar > SanidineK(AlSi3O8)
Feldspar > Plagioclase > Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Silica > QuartzSiO2

Internet Links for BeschtauiteHide

References for BeschtauiteHide

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