and moon rock

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

Dimensions: 47x41x19 mm / 1

Since the Shoemaker trip

This special piece comes with 2 specimen cards including the signed original Mark Bostick Collection

Star Sapphire | Oval Cabochon | Blue | 7.0x6.5mm 2.0ct | Myanmar Gold Basin and moon rockProduct 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