Im posting pics of very fine inspiration mine, gem silica from Arizona. These stones very well cut from a cutter in Pa. the material is some of the best ever cut. The 1st is a 14ct, rose gold frame, good blue color with a little green, malachite within the stone, next is a 18ct. stone, unmounted, a clear chalcedony base with light areas of chrysocolla, blue, floating within the stone, rare in this form & a 23ct. shield cut stone with good blue color & slight greenish tint but a very intense blue in 14kt gold. Most worn daily with other pendents-steve...