Mysticdrop Natural Oval Cabachon AA Australian White Opal Loose Gemstone Available from 5x3mm - 10x8mm (8x6 mm - 0.71-0.99 Cts), gemstone, opal : Amazon.co.uk: Fashion
3X5 MM Pear Australian Opal Cabochon Natural Opal Stones Multi Fire Loose Gemstones for Ring & Jewelry Making - Etsy UK | Australian opal, Green opal, Opal crystal