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Porcelanite

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A rock, semivitrified clay or shale, somewhat resembling jasper, composed of mullite and other high-temperature silicate and oxide minerals.
Formed due to combustion metamorphism (e.g., burning coal seams and dumps, mine fires).

Classification of Porcelanite

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Other Names for Porcelanite

Synonyms:
Porcelainite
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Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Porcelanite

Reference List:

- +
Ernst, W.G. & S.E. Calvert (1969), An experimental study of the recrystallization of porcelanite and its bearing on the origin of some bedded cherts: Amer. Jour. Sci.: 267A: 114-133.

Internet Links for Porcelanite

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    • Localities for Porcelanite

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    • California
      • San Luis Obispo Co.
    		Ernst, W.G. and S.E. Calvert (1969) An experimental study of the recrystallization of porcelanite and its bearing on the origin of some bedded cherts. American Journal of Science: 267A: 121; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 18th Jun 2011 20:53:28
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