Pyrobitumen   (French name: Pyrobitume )


Chemical formula:

Family: Organic

Status: NA

Crystal system : Amorphous

Display mineral: NON

Associated names (luminescent varieties, discredited names, synonyms, etc.): thucholite, 

 

Luminescence:

Shortwave UV (254nm) colors:

    


Green ,

 

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Phosphorescence (in the common sense of the term) observable with the naked eye:

No data

Comments:

A widespread hydrocarbon mineraloid of variable composition, usually in sedimentary or low-grade metamorphic rocks. It differs from asphalt by being brittle, infusible and relatively insoluble. Formed by polymerization of petroleum over geological time periods, therefore being related to petroleum the same way that amber is related to tree resin. (Mindat)

 

A mixture of hydrocarbons, Uraninite and some sulphides. Uranium-bearing pyrobitumen. Originally reported from Parry Sound District, Ontario, Canada.

 

Grahamite: a variety fluorescing very weak brownish from West Virginia (Btumens in Ore Deposits, published by John Parnell, Henryk Kucha, P. Landais)

Activator(s) and spectrum:

No data

No spectrum yet

Best localities for fluorescence (*):

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic reference for luminescence:

Reference for luminescence on the Internet:

Images:

 

Mineralogical reference on the Internet:

  http://www.mindat.org/show.php?name=Pyrobitumen

  http://webmineral.com/data/Pyrobitumen.shtml

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