Origin: Queensland, Australia Opal Type: Solid Black Opal Shape: Freeform Kite Color: Green / Blue / Pink / Orange / Yellow Pattern: Floral Weight (ct): 5 Dimensions (mm): 16x12x4 Brightness rating: 4 Transparency: Opaque MOHS Hardness: 5.5 - 6.5 Treatment: Non-treated GbG ID: BK18