Abbott Mine, Wilbur Springs area, Sulphur Creek Mining District, Lake County, California, USA
Balls of pale green opal. From the Byron Weissberg PhD collection. 5MP Chinese unbranded CMOS camera with bellows and FYSCOPE 4X Plan Achromatic Objective Lens. Processed with Zerene stacker DMap and post stacking cleanup with Faststone. Collection and photograph of Rod Martin
© R.J.Martin
Grey and clear opal with small dark spots of marcasite. From the Byron Weissberg PhD collection. 5MP Chinese unbranded CMOS camera with bellows and FYSCOPE 4X Plan Achromatic Objective Lens. Processed with Zerene stacker DMap and post stacking cleanup with Faststone. Collection and photograph of Rod Martin
Red crystals of cinnabar with yellow sulphur and white curls of epsomite. From the Byron Weissberg PhD collection. 5MP Chinese unbranded CMOS camera with bellows and FYSCOPE 4X Plan Achromatic Objective Lens. Processed with Zerene stacker DMap and post stacking cleanup with Faststone. Collection and photograph of Rod Martin
Post mining sulphates of melanterite and epsomite formed from the breakdown of marcasite and country rock. Underlying the sulphates are marcasite and opal. From the Byron Weissberg PhD collection 5MP Chinese unbranded CMOS camera with bellows and FYSCOPE 4X Plan Achromatic Objective Lens. Processed with Zerene stacker DMap and post stacking ...
A druse of white melanterite on grey-green opal matrix. From the Byron Weissberg PhD collection. 5MP Chinese unbranded CMOS camera with bellows and FYSCOPE 4X Plan Achromatic Objective Lens. Processed with Zerene stacker DMap and post stacking cleanup with Faststone. Collection and photograph of Rod Martin