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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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Müller's Glass

A synonym of 'Opal-AN'
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Synonym:
A synonym of Opal-AN
This page provides mineralogical data about Müller's Glass.


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Name EncodingHide

ASCII-7:
Muller's Glass

Unique IdentifiersHide

Mindat ID:
10087 (as Müller's Glass)
1959 (as Opal-AN)
3004 (as Opal)
Long-form identifier:
mindat:1:1:10087:4 (as Müller's Glass)
mindat:1:1:1959:6 (as Opal-AN)
mindat:1:1:3004:1 (as Opal)

Internet Links for Müller's GlassHide

References for Müller's GlassHide

Reference List:
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