3.50ct Blue-Green Sapphire, Oval Cut Charoite Friction-induced heat from the buffing

Friction-induced heat from the buffing wheel unexpectedly cracked the smoky quartz in our lapidarist's hand

measurements: 8mm x 6mm

The piece is exceptionally brilliant in sunlight

ring width (top): 16

The Gemstone: Blue Topaz

3.50ct Blue-Green Sapphire, Oval Cut Charoite Friction-induced heat from the buffingNatural Blue Green Sapphire Weight (carats) 3. 50cts Weight (grams) 0. 70g Dimensions (inches) 0. 4" x 0. 3" x 0. 2" Dimensions (millimeters) 9. 92mm x 7. 92mm x 4. 61mm Origin unspecific Shape faceted oval cut Material Grade A Colors blue, green, purple Notable Inclusions color zoning Treatments Enhancements heat Mohs Hardness 9 SKU Number #763