Chalcedony

 Hüttenberger Erzberg, Hüttenberg, Friesach - Hüttenberg area, Carinthia, Austria An interesting light pale blue mass of Chalcedony riddled with epimorph cavities of sharp bladed...

 Trevascus Mine, Gwinear, Cornwall, England, Europe A convoluted specimen of rope-like ridged Chalcedony with a translucent light brown to yellow-brown...

 Mega Horio, Serifos Island, Cyclade Islands, Kykládes Prefecture, Aegean Islands Department, Greece A dome of Andradite garnet encloses an underlying matrix of dark olive-green Hedenbergite from the...

 Trevascus Mine, Gwinear, Cornwall, England, Europe A very fine large specimen of wax-melt Chalcedony from a classic Cornish location. Excellent...