Opal blanks OP19 8 x 30 x 1mm (0.32 x 1.22 x 0.04 flat cut pcs polished 1 side made from manufactured opal blocks suitable for inlay jewellery, bow slides. Opal blanks can be cut same way as mother of pearl blanks and are of similar hardness.
Opal blanks OP19 8 x 30 x 1mm (0.32 x 1.22 x 0.04 flat cut pcs polished 1 side made from manufactured opal blocks suitable for inlay jewellery, bow slides. Opal blanks can be cut same way as mother of pearl blanks and are of similar hardness.
