20476 - Top Beautiful Native Gold In Its Hydrothermal Quartz Matrix New Location Aouserd Occidental Sahara Ectillaenus See also Long 1992

See also Long 1992

They do not have any type of restoration or repair

Durophagous Mosasauridae (Squamata) from the Upper Cretaceous phosphates of Morocco

This tooth was broken in small sector during the initial collecting efforts but all parts were put back together and there is no restoration and no fabrication

Small crystals of azurite can be produced by rapidly stirring a few drops of copper sulfate solution into a saturated solution of sodium carbonate and allowing the solution to stand overnight

20476 - Top Beautiful Native Gold In Its Hydrothermal Quartz Matrix New Location Aouserd Occidental Sahara Ectillaenus See also Long 1992Impressive and precious specimen of native gold in its hydrothermal quartz matrix. It comes from a new and unique location in Western Sahara.