Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Quartz-arenite

A rock classification type
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An arenite where there is no more than 5% of feldspar and no more than 5% of rock fragments and the rest is quartz.


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Unique IdentifiersHide

Mindat ID:
49116
Long-form identifier:
mindat:1:1:49116:5

Classification of Quartz-areniteHide

TRI__c9e323c43ab3c6a0ed7ec64d930fcd76.png

Arenites according to composition (after Pettijohn et al. 1987)

Sub-divisions of Quartz-areniteHide

Mineralogy of Quartz-areniteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
FeldsparA petrological term for Feldspar Group.

Internet Links for Quartz-areniteHide

References for Quartz-areniteHide

Reference List:
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