3.96ct Cushion Cut Fire Opal 11.7x9.9mm Vallorbe Swiss Made Pillar (2601) 10.0 x 2.6mm 1 Round head Ø20mm

1 Round head Ø20mm

Watch box for Elma Cyclomotion

Big Handle

used to test DC & AC voltage

3.96ct Cushion Cut Fire Opal 11.7x9.9mm Vallorbe Swiss Made Pillar (2601) 10.0 x 2.6mm 1 Round head Ø20mmFire Opal is an unusual variety of opal gemstone from Mexico, with colours ranging from yellow to orange and orange red. Depending on the origin of the stone it might be very fragile which makes it more suitable for jewellery such as necklaces, brooches and earrings that are less likely to be knocked. Opal is the birthstone for October. Mohs Scale of Hardness: 5. 5 6. 5 Sources: The most famous source of fire opals is the state of Quertaro in Mexico.;