Rockon-Ro: Hemimorphite Crystals From The Ojuela Mine, Mapimi, Durango, Mexico. Photo Shows A Cluster Of Transparent, Terminated Hemimorphite Crystal Taken With A Microscope At 15X Magnification.
thescienceofjohnlock: magicbuffet: it looks like toast and space jam I have one of these black opals and it’s the most valuable single item I own. It’s cut and polished and set in a simple gold ring. It was valued some years ago at £6000 and I
