Top Quality Namibian Blue Chalcedony Cab!   Main About Cabochons Slabs Rough Jewelry Contact Order                                             $35.99 #nb01                                              Glowing Namibian blue chalcedony gem! This is known as blue chalcedony but the best grades are actually a deep lavender color. This gem has a polished back and a few small veils.  Your description here Gemstone Blue Chalcedony Size 18.5mm x 13.7mm x 9.5mm thick Origin Namibia Treatments None Hardness Mohs 7        >