US$    € EURO    ¥ YEN    £ POUND    CAN$    AUS$    6 specimens selected  -  back to the Galleries MD-118562 - Quartz, Pyrite, Ankerite - - Archived 6350 Level, Homestake Mine, Lead District, Lawrence Co., South Dakota, USA small cabinet, 5.6 x 2.1 x 1.5 cm. CLICK HERE FOR LARGER IMAGE: 5.6 x 2.1 x 1.5 cm. A very unusual specimen from South Dakota for the quartz collector, and pretty too! This is a water-clear and gemmy quartz crystal included with and wrapped by a garland of iridescent pyrite flashing red and purple hues. Ex. Tom Campbell collection. MD-170690 - Silver, Ankerite, Siderite, Hemimorphite - - Archived Grub Mine, Silver City, Grant Co., New Mexico, USA cabinet, 9.9 x 8.7 x 0.4 cm. CLICK HERE FOR LARGER IMAGE: 9.9 x 8.7 x 0.4 cm. A fascinating old New Mexico silver specimen, a slice through a mixed-matrix ore. Locked inside the matrix, you can see the tree-like (dendritic) forms of native silver, which actually crystallized in these pretty forms rather than just being massive - which is normally what you see in these mine slices. Ex. Dave Stoudt collection. MD-171698 - Ankerite, Quartz - - Archived Jeffrey Quarry, Jeffrey, Pulaski Co., Arkansas, USA miniature, 4.1 x 2.8 x 2.1 cm. CLICK HERE FOR LARGER IMAGE: 4.1 x 2.8 x 2.1 cm. A KILLER, brown ankerite crystal disc aesthetically attached to a gorgeous, jackstraw cluster of water-clear, doubly terminated, solution quartz crystals from a small, NEW FIND at the Jeffrey Quarry, near Little Rock, Arkansas. This is a SUPERB, essentially pristine combo and the ankerite crystal is LARGE for the locality and species. MD-174079 - Tennantite, Ankerite - - Archived Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia small cabinet, 5.7 x 3.7 x 3.1 cm. CLICK HERE FOR LARGER IMAGE: 5.7 x 3.7 x 3.1 cm. A large 3 cm Tennanite perched nicely on dolomite matrix! Missing the bottom where contacted but otherwise complete and dramatically pyramidal. Ex. Willy Israel Collection. MD-178894 - Ankerite, Quartz - - Archived Jeffrey Quarry, Jeffrey, Pulaski Co., Arkansas, USA miniature, 3.9 x 3.2 x 1.4 cm. CLICK HERE FOR LARGER IMAGE: 3.9 x 3.2 x 1.4 cm. A fine, 2.4 cm, translucent, tan ankerite crystal disc attached to a fine, L-shaped cluster of water-clear, doubly terminated solution quartz crystals from a rare find at the Jeffrey Quarry, near Little Rock, Arkansas. Ex. George Feist collection. MD-197928 - Ankerite, Quartz - - Archived Oklahoma, USA thumbnail, 1.9 x 1.9 x 1.0 cm. CLICK HERE FOR LARGER IMAGE: 1.9 x 1.9 x 1.0 cm. A very unusual thumbnail specimen of a translucent, tan ankerite disc with a water-clear quartz. This weird specimen hails from an unusual and uncommon locale - one of two deposits in Southeastern Oklahoma It’s either from the Mosely Prospect in Coal County or the Springbrook deposit in Johnston County, which are near each other. Ex. Irv Brown Collection.