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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Allivalite

A rock subtype
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00500870017272472902988.jpg
Allivalite

Miyake Island, Miyake Subprefecture, Tokyo Metropolis, Japan
00500870017272472902988.jpg
Allivalite

Miyake Island, Miyake Subprefecture, Tokyo Metropolis, Japan
00500870017272472902988.jpg
Allivalite

Miyake Island, Miyake Subprefecture, Tokyo Metropolis, Japan
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About AllivaliteHide

A variety of troctolite composed of olivine and highly calcic plagioclase.


Unique IdentifiersHide

Mindat ID:
50542
Long-form identifier:
mindat:1:1:50542:2

Classification of AllivaliteHide

QAPF_P_10.png

Gabbro is in section 10 of the QAPF diagram.

Mineralogy of AllivaliteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Calcic plagioclaseA petrological term for plagioclase series feldspars dominant in calcium.
OlivineCommonly used as a synonym for a member of the Fayalite-Forsterite Series, but more generally and properly ...

Internet Links for AllivaliteHide

References for AllivaliteHide

Reference List:
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