Very Fine Black Opal from Lightning Ridge, Australia. Vivid and very "present", this fine gem opal displays predominantly red play-of-color with spectral broad flashes of green, orange, yellow and blue, with true black potch to the reverse of the oval cabochon. This is as fine a stone for the serious collector as can be desired. Weighing approximately 10.39 carats and measuring 16.5 x 13.0 x 6.5mm Estimate: US$ 60,000 - 80,000 (£39,000 - 52,000/€46,000 - 62,000)
1973 Album cover shoot for Aladdin Sane, photographed by Brian Duffy. The lightning bolt represented the duality of the mind, although Bowie later explained that the "lad insane" of the album's title track was inspired by his brother Terry, who was diagnosed as a schizophrenic. Photo By Brian Duffy
Classic Black Crystal Opal Lightning Ridge, New South Wales, Australia This fine and plump double-cabochon black crystal opal is the ideally suited to be mounted as a ring. A five out of five in terms of vividness and presence of color, the gem abounds in vibrant green, blue, orange and hints of yellow, unpolished to the reverse side.