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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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Pyroxene amphibolite

A rock subtype
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An amphibolite containing pyroxene as the only other significant constituent.


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Unique IdentifiersHide

Mindat ID:
50060
Long-form identifier:
mindat:1:1:50060:3

Classification of Pyroxene amphiboliteHide

Sub-divisions of Pyroxene amphiboliteHide

Mineralogy of Pyroxene amphiboliteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Amphibole(Na, K, ◻)(Ca,Na)2(Mg,Fe,Al)5((Si,Al)8O22)(OH,F,Cl,O)2
PyroxeneADSi2O6

Internet Links for Pyroxene amphiboliteHide

References for Pyroxene amphiboliteHide

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