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RESIN FAMILY. Geognostic and Geographic Situations. It is found at Bovey Tracey in Devonshire, adhering to brown-coal. A similar mineral has been met with near Wildshut in the Innviertel, and near Halle on the Saale, and m both these places along with brown-coal. Olservations. This curious mineral was first discovered, described, and analysed by Mr Hatchett. 4. Fossil Copal. Fossil Copal, or Highgate Resin, Atkin. External Characters. Its colour is pale muddy yellowish-brown. It occurs in irregular roundish pieces. The lustre is resinous. It is semi-transparent. It is brittle. It yields easily to the knife. Specific gravity, 1.046. Chemical Characters. It gives out a resinous aromatic odour when heated ; melts into a limpid fluid ; takes fire when applied to the flame of a candle ; and burns away entirely before the blowpipe. Insoluble in potash ley. Geognostic