Investment Quality Olkusz Schalenblende: Polished Banded Zn-Pb-Fe Sulfide from a Classic Locality Ruby it is one of the

it is one of the birthstones for June

Smoky Hematite Quartz is created when quartz crystallizes in iron-rich hydrothermal environments and is later exposed to natural radiation

this pendant is set in sterling silver and suspended from a classic 45cm chain

A Collector’s Dream: Ametrine from the Heart of Riemvasmaak

Investment Quality Olkusz Schalenblende: Polished Banded Zn-Pb-Fe Sulfide from a Classic Locality Ruby it is one of theOlkusz Schalenblende Masterpiece: Polished Banded Sphalerite, Galena & Marcasite Slice Size: 52 gram Weight: 44mm x 40mm x 7mm Origin: Olkusz Mine, Southern Poland This exceptional specimen is an investment quality polished slice of "Schalenblende" from the renowned Olkusz Mine in Southern Poland. It showcases captivating concentric banding in shades of creamy yellow to rich brown, characteristic of sphalerite and wurtzite, beautifully contrasted by