This is one rainbow that Dorothy never found.....a stunning Rainbow Calcite featured in The Handbook of Gemmology. Another magical moment from Mother Earth brought to you through the photography of Tino Hammid. Faceted by Art Grant. Courtesy of the Smithsonian.
Russian Sphene 14.50ct. Titanite (Sphene). The mineralogical name Titanite comes from its titanium contents. Sphene is a very rare brilliant yellowish-green, green, orange or brown gemstone with a high lustre.