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Ungaite

A rock subtype
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Name:
Named for Unga Island, Alaska, USA.
Note: In the original reference Unga Island is mistakenly described as part of 'Kamchatka'.
A local name for a glassy variety of dacite containing normative oligoclase.

Compare with shastaite.


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Unique IdentifiersHide

Mindat ID:
54594
Long-form identifier:
mindat:1:1:54594:3

Similar NamesHide

UnakiteA rock classification type

Classification of UngaiteHide

QAPF_V_4,5.png

Ungite appears in fields 4 and 5 in the QAPF diagram.

TAS_O3.png

Ungite is found in field 'O3' in the TAS diagram.

Mineralogy of UngaiteHide

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

First Recorded Occurrence of UngaiteHide

Internet Links for UngaiteHide

References for UngaiteHide

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