Natural Black Quartz Bracelet (8mm) – Certified Genuine Gemstone
This Natural Black Quartz bracelet is made from genuine natural quartz gemstone, carefully shaped into smooth, polished 8mm round beads. The bracelet features a rich black colour with natural shine and clarity, giving it a strong and elegant appearance. It weighs approximately 82.40 carats and is strung on a strong elastic thread for comfortable daily wear.
Each bracelet comes with an ISO certified lab report, confirming that the gemstone used is natural Black Quartz and not dyed, synthetic, or artificial material.
Why Buy Black Quartz Bracelet from Ratna Gems?
Black Quartz is valued for its durability, classic appearance, and natural beauty. At Ratna Gems, we focus on authenticity, quality, and transparent gemstone verification.
- ISO Certified Lab Report: Proper gemstone testing including refractive index and hardness.
- Natural & Untreated: Made from genuine natural Black Quartz.
- Smooth Polished Finish: Uniform 8mm round beads for a premium look.
- Elastic Comfort Fit: Suitable for regular and daily wear.
- 7-Day Easy Returns: Covered under our Return & Refund Policy.
Product Specifications
| Stone Name | Natural Black Quartz |
| Stone Type | Natural Quartz (Silicon Dioxide) |
| Item Type | Elastic Beaded Bracelet |
| Approx. Weight | Approx. 82.40 Carats |
| Bead Size | 8.00 mm |
| Shape / Cut | Round Polished Beads |
| Colour | Deep Black |
| Hardness | 7.0 (Mohs Scale) |
| Refractive Index | 1.54 – 1.55 |
| Specific Gravity | Approx. 2.65 |
About Black Quartz Stone
Black Quartz is a natural variety of quartz known for its strength and durability. Quartz is one of the most widely used gemstones in jewellery due to its hardness, smooth finish, and long-lasting shine.
Care Instructions
- Cleaning: Use mild soap and lukewarm water with a soft cloth.
- Storage: Store separately from softer gemstones to avoid scratches.
- Usage: Suitable for daily and regular wear.
Note: The white selenite plate shown in product images is for photography purposes only and is not included with the bracelet.















