Description: Quartz coated by Mottramite or quartz after Baryte covered by Mottramite? Level 35, América Poniente? or Lugar San Juan Poniente, Mina Ojuela, Mapimi, Durango, Mexico 3 x 4 x 2.5 cm During the trimming process, this puppie got exposed. The termination is unusual for a quartz. Can it be Baryte?

All pictures, text, design © Forum FMF 2006-2025