3*3-10*10mm Multicolored Synthetic Opal Heart Flat Back Cabochon Cut OP08 pink Fire Opal Loose Gemstone Heart Opal Cabochon Gems

3*3-10*10mm Multicolored Synthetic Opal Heart Flat Back Cabochon Cut OP08 pink Fire Opal Loose Gemstone Heart Opal Cabochon Gems

There're 3 kinds of Opal stones, One is Synthetic Opal, Another is Lab created Opal.
Synthetic Opal (Polymer Impregnated Synthetic Opal): It is composed by 80% silica & 20% resin. It is available in 96 different colors. Non-Heat Resistant.
Lab Grown Opal: Have around 52 colors, It shows translucent color and bigger scale of fire pattern.
Lab Created Opal: It is composed by silica & very small portion of water. It is available in 13 opal colors. Heat Resistant.

Synthetic Opal Color Chart: https://www.qqgems.com/product/synthetic-opal-color-chart
Synthetic Opal Color Chart Google Album: https://photos.app.goo.gl/2pQfAvpfkZX88PUDA