Blue Chalcedony 8x12-10x14mm Side Drill Faceted Nugget A Grade - 15-16 Inch R1856 The two most popular classes

The two most popular classes of Australian Opal are Black Opal mined in Lightning Ridge and Fire Opal

currently believed to be due to the presence of a copper-based mineral such as Malachite or Azurite

This macrocrystalline Quartz stone has chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light

Soft Flex® Wire is marine quality and can be worn in both salt and fresh water

Blue Chalcedony 8x12-10x14mm Side Drill Faceted Nugget A Grade - 15-16 Inch R1856 The two most popular classesBlue Chalcedony is a naturally occurring soft blue translucent stone. It is a member of the Quartz family, a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz. Known in antiquity as the Speakers Stone, it is believed to have been worn Cicero, the great Roman orator.