Sphalerite on Siderite Anhydrite This specimen was mined in

This specimen was mined in the late 1970’s / early 1980’s

Specimen # CUAUS72002

The piece features an excellent

No damage on the top / display side of the piece

Sphalerite on Siderite Anhydrite This specimen was mined inFrom my own personal collection, this cabinet sized display specimen is a quintessential Gilman sulfide carbonate association piece. Several remarkably sharp AND lustrous crystals of reddish black Sphalerite with notably SMOOTH faces hardly any striations at all on many faces are gently intermixed and sitting atop a crystallized plate of soft beige cream colored compressed rhombohedra or discs of Siderite. The piece was mined in 1978, and I actually