Mineral description : Asphaltite

Asphaltite with rock crystal, from Granmuren.
Asphaltite with rock crystal, from Granmuren.
Asphaltite balls with fluorite, from Långsjön.

Mineral class Organic
Chemical formula A mixture of hydrocarbons.
Crystal system Amorph
Habitus As a liquid or slowly floating mass. Hardens in air.
Cleavage  
Hardness  
Density  
Color Black
Streak  
Luster  
Description  
Occurance In crush and breccia zones of mountains.
Associates Rock crystals.
Notes  
Locations Found all over Sweden in crush zones.
  • Nullaberget, Värmland.
  • Nyängsgruvan, Gästrikland. Together with beautiful calcite crystals.
  • In the Siljan area, Dalarna. In kambrosilurian limestone.
  • Granmuren pegmatite, Västmanland. Together with rock crystal.

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axelsson@acc.umu.se
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Last changed : 1998-03-07