ATHENA MINERAL: Mineral Data; Pierre Perroud

ATHENA

MINERALOGY

Mineral:	JET = gemstone from hard black lignite
Comments:	A mix of hydrocarbons

Jet (Jais) with Calcite
Millau, Aveyron, France
Coll. P. Perroud (now in NHM Geneva). Photo Ph. Wagneur MHN Geneva
See also: athena.unige.ch -> mineral pictures

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