Custom Wire Wrapped Boulder Opal Necklace/Pendant Sterling Silver .935
Overall size: 1x13/16 × 5/8 or 46mmx 11mm
Boulder opal was custom cut and polished by Jim Campbell from our Richmond Gem & Mineral Club.
Boulder opal is a type of precious opal that occurs within ironstone or sandstone matrix, giving it a distinctive and natural appearance1234. It is made up of silica and can contain up to 20% water, making it a hydrated form of silica3. The juxtaposition of the dark and Earthy tones of Ironstone with the opalescence of Opal is awe-inspiring