Yellow Topaz #20 Lab Created Corundum Sapphire Faceting Rough for Gem Cutting - Various Sizes - Split Boule
Yellow Topaz #20 Lab Created Corundum Sapphire Faceting Rough for Gem Cutting - Various Sizes - Split Boule
COR1260 - 39 grams$65.00
COR1265 - 39 grams$66.00
COR2624 - 39 grams$65.00
COR2626 - 47 grams$78.00
COR2627 - 40 grams$67.00
COR2628 - 69 grams$110.00
COR2629 - 40 grams$67.00
COR2630 - 41 grams$68.00
COR2631 - 37 grams$62.00
COR2632 - 46 grams$77.00
COR2764 - 41 grams$69.00
COR2765 - 40 grams$66.00
COR2766 - 42 grams$69.00
COR2767 - 37 grams$63.00
COR2768 - 41 grams$68.00
COR2769 - 48 grams$78.00
COR2770 - 45 grams$74.00
COR2771 - 47 grams$77.00
COR2772 - 42 grams$71.00
COR2773 - 48 grams$79.00
COR2774 - 41 grams$69.00
COR2775 - 41 grams - fractured$62.10
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Various sizes of Yellow Topaz lab created sapphire/corundum rough for faceting and gemstone creation.
Each split boule is listed for sale by weight and will typically vary in size within the following ranges:
Length: 55mm -75mm
Width: 16mm - 20mm
Thickness: approximately 8-11mm at the base
If you would like to see additional pictures of the piece(s) you would like, please feel free to contact me and I will be happy to provide additional pictures for you to review.
Manufacturer: Thai Tech Sapphire
Color: #20
Note: The color of the stone in the photo may vary slightly as not all computer monitors are calibrated the same.
Mineral: Corundum
Chemical Formula: Al2O3
Crystal System: Trigonal
Hardness (Mohs): 9
Refractive Index: 1.76–1.77
Density, g/cm3: 4
Dispersion: 0.018
Growth Method: Flame Fusion
