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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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Johnsonita

A synonym of 'Masrite'
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Spanish synonym of:
This page provides mineralogical data about Johnsonita.


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Unique IdentifiersHide

Mindat ID:
24989 (as Johnsonita)
2586 (as Masrite)
1809 (as Halotrichite)
Long-form identifier:
mindat:1:1:24989:0 (as Johnsonita)
mindat:1:1:2586:3 (as Masrite)
mindat:1:1:1809:4 (as Halotrichite)

Similar NamesHide

JensenitaA synonym of Jensenite
Johnsenite-(Ce)A valid IMA mineral speciesNa12(Ce2Ca)Ca6Mn3Zr3[Si3O9]2[Si9O27SiO][Si9O27W(O)3](CO3)(OH,Cl)2

Internet Links for JohnsonitaHide

References for JohnsonitaHide

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