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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Feldspathic-wacke

A rock classification type
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A wacke where at least 5% of the interstitial material is feldspar, and feldspar>rock fragments, with the remainder being quartz.


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Unique IdentifiersHide

Mindat ID:
49123
Long-form identifier:
mindat:1:1:49123:5

Classification of Feldspathic-wackeHide

TRI__c8d9130ad2ad0f6e0d917c4b75b16ecc.png

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

Mineralogy of Feldspathic-wackeHide

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

Internet Links for Feldspathic-wackeHide

References for Feldspathic-wackeHide

Reference List:
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