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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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Holmite (of Thompson)

A synonym of Clintonite
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Synonym:
A synonym of Clintonite
This page provides mineralogical data about Holmite (of Thompson).


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Unique IdentifiersHide

Mindat ID:
5078 (as Holmite (of Thompson))
1088 (as Clintonite)
Long-form identifier:
mindat:1:1:5078:0 (as Holmite (of Thompson))
mindat:1:1:1088:3 (as Clintonite)

Similar NamesHide

HielmiteA synonym of Hjelmite
Holmite (of Johannsen)A synonym of Monchiquite
HoltiteA valid IMA mineral species(Ta0.6◻0.4)Al6BSi3O18(O,OH)2.25
Hormite

Internet Links for Holmite (of Thompson)Hide

References for Holmite (of Thompson)Hide

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