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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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Petersita

A synonym of Petersite-(Y)
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Spanish synonym of:
This page provides mineralogical data about Petersita.


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Unique IdentifiersHide

Mindat ID:
20708 (as Petersita)
3175 (as Petersite-(Y))
Long-form identifier:
mindat:1:1:20708:9 (as Petersita)
mindat:1:1:3175:8 (as Petersite-(Y))

Similar NamesHide

PetarasiteA valid IMA mineral speciesNa5Zr2(Si6O18)(Cl,OH) · 2H2O
Petersita-(Ce)A synonym of Petersite-(Ce)Cu6Ce(PO4)3(OH)6 · 3H2O
Petersita-(La)A synonym of Petersite-(La)Cu6La(PO4)3(OH)6 · 3H2O
PetersiteA synonym
PietersiteA variety of Chalcedony [Quartz]SiO2

Internet Links for PetersitaHide

References for PetersitaHide

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