as it can produce sparks when struck against metal or another hard material

This deep color is no longer being produced from this locality

and moon rock

This collector's specimen is unique

and is often found in metamorphic and igneous rocks

Star Sapphire | Oval Cabochon | Blue | 7.0x6.5mm 2.0ct | Myanmar Gold Basin as it can produce sparksProduct Type: Star Sapphire Approx Weight (per piece): 2. 0ct Size: 7. 0x6. 5mm Shape: Oval Cabochon Color: Fine Pale Blue Clarity: Transparent Sharp 6 Rays Star Origin: Myanmar (Burma) Treatment: None Note: Internal fracture not impacting on amazing sharp Star. Cabochon base is slightly irregular. Priced accordingly