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Quartz coated by Mottramite or quartz after barite covered by Mottramite?
Level 35, América Poniente? or Lugar San Juan Poniente, Mina Ojuela, Mapimi, Durango, Mexico
1.5 x 2 x 2.5 cm
Base of the crystal coated by mottramite. This is quartz but the cross section of the crystal is not typical of quartz. Can it be a barite?
Different specimen than the above. (Author: Jean Sendero)

Quartz coated by Mottramite or quartz after barite covered by Mottramite?
Level 35, América Poniente? or Lugar San Juan Poniente, Mina Ojuela, Mapimi, Durango, Mexico
1.5 x 2 x 2.5 cm
Base of the crystal coated by mottramite. This is quartz but the cross section of the crystal is not typical of quartz. Can it be a barite?
Different specimen than the above. (Author: Jean Sendero)

Dimensions: 750 x 661
File size: 38.51 kbytes
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