Cobal Stone is a premium quality natural gemstone known for its vibrant cobalt blue hues and striking appearance. Ideal for use in jewelry making, decorative arts, and bespoke accessory designs, this gemstone is highly sought after by jewelers and artisans in the B2B sector. Cobal Stone offers excellent durability, a unique crystal structure, and an attractive luster, making it perfect for luxury discrete designs and custom projects. Supplied in various cuts and sizes, this product guarantees superior clarity and purity, ensuring it meets professional standards for commercial use in jewelry manufacturing, lapidary work, and ornamental crafts.
Key Features
| Features | Description |
|---|---|
| Material | Natural Cobalt-based gemstone |
| Color | Deep cobalt blue |
| Clarity | High clarity with few inclusions |
| Cut | Available in multiple cuts: round, oval, pear, and custom |
| Size Options | Available from 2 mm to 12 mm |
| Applications | Jewelry making, decorative arts, luxury handicrafts |
| Durability | Hard and durable suitable for everyday wear |
| Origin | Mined from certified and sustainable sources |
| Finish | Polished and ready for immediate use |
| Attributes | Description |
|---|---|
| Chemical Composition | Primarily cobalt aluminate |
| Mohs Hardness | 7.5 - 8 |
| Refractive Index | Approx. 1.76 |
| Specific Gravity | 4.0 |
| Transparency | Translucent to transparent |
| Treatment | No chemical treatment, natural stone |
| Certification | Optional gemological certification available upon request |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, Cobal Stone exhibits a Mohs hardness of 7.5 to 8, making it durable enough for everyday wear in rings, bracelets, and pendants.
Yes, buyers can request optional gemological certification to verify the natural origin and quality parameters of the Cobal Stone.
Cobal Stone is available in sizes ranging from 2 mm up to 12 mm, with customized cuts possible depending on order volume.
The Cobal Stone is supplied in its natural state without chemical treatments or enhancements, maintaining its original color and clarity.
It is widely used by jewelry manufacturers, luxury accessory designers, and artisans in decorative crafts requiring high-quality blue gemstones.