Al2O3 Pink Sapphire Gem with Princess Cut - 9 Mohs Hardness, 2040℃ Melting Point for Industrial Applications
This precision-cut pink sapphire gem features exceptional anti-corrosion properties with a beautiful princess cut design. Made from high-purity Al2O3 (aluminum oxide), this synthetic sapphire offers outstanding durability and visual appeal for industrial and decorative applications.
| Property | Value |
|---|---|
| Chemical Formula | Al2O3 |
| Crystal System | Hexagonal |
| Melting Temperature | 2040℃ |
| Density | 3.98-4.1 g/cm³ |
| Hardness | 9 Moh's Scale (Hv)≥1700 kg/mm² |
| Refractive Index | 1.769 (parallel and perpendicular to C-axis) |
| Electrical Resistance | >10¹⁶ Ω/cm (25℃) |
- Exceptional corrosion resistance - unaffected by acids or alkalis at normal temperatures
- High thermal stability with melting point of 2040℃
- Superior hardness rating of 9 on Moh's scale
- Excellent optical properties with 85% IR transmission
- Precision princess cut for optimal light reflection
- Direct source manufacturer of color sapphire boule
- Proprietary sapphire growth equipment using CZ and KY methods
- Professional custom production from client drawings
- Precision processing and polishing expertise
- Experienced technical team and skilled workforce
We are a professional sapphire products factory with integrated trading capabilities.
Yes, we specialize in custom production and OEM work. CAD or 3D drawings are required.
Yes, we provide samples with a charge. Sample charges are refunded for orders of 100+ pieces.
Delivery time varies by product type and quantity. For watch cases, standard delivery is 5-8 weeks for 200 pieces.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.