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Opaline-porcellanite

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A porcelllanite where the silica content is mostly opal-A, opal-CT, low-cristobalite or tridymite.


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Classification of Opaline-porcellaniteHide

Mineralogy of Opaline-porcellaniteHide

Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Opal-AA petrological term for Opal-A.
Silica > Opal-CSiO2 · nH2O
Silica > Opal-CTSiO2 · nH2O
Silica > QuartzSiO2

Internet Links for Opaline-porcellaniteHide

Mineral and/or Locality  
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