Al2O3 Green Sapphire Stone Gem with Classic Cut - 9 Mohs Hardness, 2040℃ Melting Point for Industrial Applications
Price:
280USD-500USD
MOQ:
1pcs
Delivery Time:
According to quantity
Product Description
Product Overview
Synthetic Al2O3 green sapphire gemstone featuring precision classic cutting methods including oval, round diamond, pear-shaped, and triangular cuts. This industrial-grade sapphire offers exceptional optical, mechanical, and thermal properties for various applications.
Material Properties
Sapphire (Al2O3) is a trigonal crystal system mineral with alumina as its main component. The addition of trace elements creates different colors, with green sapphire containing specific dopants for its distinctive hue.
Technical Specifications
| 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) |
| Thermal Expansion | 6.7×10⁻⁶ (parallel), 5.0×10⁻⁶ (perpendicular) |
| Electrical Resistance | >10¹⁶ Ω/cm at 25℃ |
Cutting Styles Available
- Oval Cut: Most common method with soft lines and strong fire color
- Round Diamond Cut: 57-58 facets for maximum brilliance and concentrated fire color
- Pear-Shaped Cut: Teardrop design popular for pendant applications
- Triangular Cut: Enhances natural luster and fire color for gemstone pendants
Manufacturing Capabilities
- Direct source manufacturer of color sapphire boule
- Proprietary sapphire growth equipment using CZ and KY methods
- Professional custom production according to client specifications
- Precision sapphire processing and polishing expertise
- Experienced technical team and skilled workforce
Frequently Asked Questions
Are you a trading company or factory?
We are a professional sapphire products factory with trading capabilities.
Can you do customized products?
Yes, we specialize in custom production and OEM work. CAD and 3D drawings are required.
Could you provide samples?
Yes, samples are available with charge. Sample fee is refunded for orders above 100 pieces.
What's the delivery time?
Approximately 5-8 weeks for 200 pieces of watch cases, depending on processing complexity.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ARH Sapphire Co., Ltd
Location
Room 2-11，No.50 Yunhan Road，Chongqing China
Contact Person
Florence Chen