Crushed Black Opal Gemstone - 1g

Crushed Black Opal Gemstone This crushed opal is produced from raw Bello Opal by hand and is an exceptionally high quality material. From raw stone to the finished product, this crushed opal is prepared, crushed, cleaned, and sifted by hand resulting in a .75mm size of material that is 100% pure Bello Opal; free of dust, debris, tinted clear chips and is consistently sized. This quality of crushed opal produced with this process cannot be found anywhere else. 1g of material, sized .75 - .07mm Bello Opal is a 4 on MOHS scale of hardness with a melting temperature of 266°F/ 130°C. Bello Opal is a lab created gemstone. Made in the USA.