Al2O3 Trigonal Pink Sapphire Gem with Oval Cut for Rings - 9 Mohs Hardness, 2040°C Melting Point
This Al2O3 trigonal pink sapphire gem features an elegant oval cut specifically designed for ring settings. As a member of the corundum mineral family in the trigonal crystal system, sapphires offer exceptional durability and brilliance.
| Property | Value |
|---|---|
| Chemical Formula | Al2O3 |
| Crystal System | Hexagonal |
| Melting Temperature | 2040°C |
| Density | 3.98-4.1 g/cm³ |
| Hardness | 9 Moh's Scale (Hv≥1700 kg/mm²) |
| Refractive Index | 1.769 |
| Electrical Resistance | >10¹⁶ Ω/cm (25°C) |
The oval cut enhances the gem's natural brilliance and fire color, making it particularly suitable for ring applications. This cutting method maximizes light reflection while maintaining the gem's elegant proportions.
- Direct manufacturer of color sapphire boule with proprietary CZ and KY growth methods
- Specialized expertise in sapphire processing, particularly watch cases
- Professional custom production with CAD/3D drawing support
- Precision processing and polishing capabilities
- Experienced technical team and skilled workforce
We are a professional sapphire products factory with trading capabilities.
Yes, we specialize in custom production and OEM work. CAD and 3D drawings are required.
Yes, samples are available with charge. Sample charges are refunded for orders exceeding 100 pieces.
Typically 5-8 weeks for 200 pieces of watch cases, depending on processing complexity.
T/T payment preferred. Delivery primarily via air couriers like DHL and FedEx.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.