An Extract from the Thesis of Boris Chauvrie

An extract from the thesis of Boris Chauvrie This is a portion of Chapter 5.

Boris Chauvrie

Thesis Chapter: 5

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More on opal and cracking

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New information - Slovakian opal

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Porosity of some opaline siliceous materials

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The Role of water in the cracking of opal

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AN Historic document: the Occurrence of Opal at Lightning ridge and Grawin.

An analysis of Opal Polymorphs: Opal-AG, Opal-AN and Opal-CT by NMR

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A Review of the mineralogical opal classification

A Review of the mineralogical opal classification

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Trace Elements in Australian Opal-1

Historical opal literature - an extract from Dana's Mineralogy

Historical opal literature - an extract from Dana's Mineralogy

An Extract from the Thesis of Boris Chauvrie

An Extract from the Thesis of Boris Chauvrie

GILC and LMHC decisions for Hydrophane opal nomenclature

GILC and LMHC decisions for Hydrophane opal nomenclature

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Opal Historical SA Trade standards (1979)

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ScienceAnthony SmallwoodJanuary 18, 2023