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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Pyroclastic-breccia

A rock classification type
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About Pyroclastic-brecciaHide

An agglomerate in which more than 75% of the pyroclastic fragments exceed 64mm and at least 50% of these are angular.


Unique IdentifiersHide

Mindat ID:
48590
Long-form identifier:
mindat:1:1:48590:6

Classification of Pyroclastic-brecciaHide

TRI__839d71222f306d28e93d0c8514eb039f.png


Classification of polymodal pyroclastic rocks (after Fisher, 1966)

Synonyms of Pyroclastic-brecciaHide

Internet Links for Pyroclastic-brecciaHide

References for Pyroclastic-brecciaHide

Reference List:
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