Midnight Breccia Quartz Slabs – Black & White Dramatic Vein Pattern GQ-T357
Product Specifications
Model: GQ-T357
Product Name: Midnight Breccia Quartz
Material: Engineered Quartz Stone
Surface Finish: Polished
Thickness: 2cm / 3cm / Customized
Standard Slab Size: 126" × 63" (Customized sizes available)
Application: Kitchen Countertops, Bathroom Vanities, Island Tops, Backsplashes, Feature Walls, Commercial Surfaces
| Technical Parameters | |||
| Category | Item | Premium Standard | Notes |
|---|---|---|---|
| Basic Material | Quartz Content | ≥93% | High hardness & durability |
| Resin Content | 6%–8% | Anti-yellowing, good heat resistance | |
| Density | ≥2.4 g/cm³ | Low porosity, anti-stain | |
| Physical Performance | Mohs Hardness | 6-7 | Scratch resistant |
| Compressive Strength | ≥150 MPa | High load-bearing | |
| Bending Strength | ≥40 MPa | Anti-crack for countertops | |
| Water Absorption | ≤0.02% | Waterproof & mold resistant | |
| Impact Resistance | ≥1200 mm | 450g steel ball, no damage | |
| Chemical Resistance | Stain Resistance | Grade 5 (Max) | No penetration after 24h |
| Heat Resistance | ≤180°C | Instant heat resistant | |
| Acid & Alkali Resistance | pH 5–9 | Safe for daily cleaners | |
| Safety & Eco | Radioactivity | Class A | Safe for interior use |
| VOC & Formaldehyde | Zero Additives | Food-safe certified | |
| Processing | Thickness | 20mm / 25mm / 30mm | Kitchen & vanity top |
| Seam Width | ≤0.3mm | Invisible joint | |
| Gloss | ≥85 GU (Polished) | Custom matte available | |

Midnight Breccia Quartz Slabs GQ-T357 feature a striking black background highlighted by bold white breccia-style veins, creating a dramatic and luxurious marble-inspired appearance. The high-contrast pattern brings depth and movement to any space, making it an excellent choice for modern kitchens, statement islands, bathroom vanities, wall cladding, and commercial interiors. Inspired by natural stone aesthetics, this quartz design delivers the elegance of marble while maintaining the durability and low maintenance of engineered quartz.

Manufactured with advanced technology, Midnight Breccia Quartz offers excellent resistance to stains, scratches, and daily wear. Its non-porous surface ensures easy cleaning and hygienic performance, making it highly suitable for busy residential kitchens as well as high-traffic commercial environments such as hotels, restaurants, and retail spaces.
Grand Quartz Tech carefully controls every stage of production to ensure consistent color, stable structure, and premium surface finish. The large slab format allows fabricators to create seamless countertops, waterfall islands, and custom cut-to-size projects with minimal joints, enhancing both aesthetics and installation efficiency.




As a professional quartz manufacturer based in Thailand, Grand Quartz Tech supplies high-quality quartz slabs, prefabricated countertops, and custom cut-to-size projects for distributors, fabricators, and builders worldwide.
Contact Information
Grand Quartz Tech Co., Ltd.
Address: Phanat Nikhom, Chonburi 20240, Thailand
Phone/WhatsApp: +66 62 836 0066
Email: cara@grandquartztech.com
Contact Person: Luna
Website: https://www.grandquartztech.com
If you are looking for bold black quartz slabs with dramatic white veining for premium countertop projects, Midnight Breccia Quartz GQ-T357 is an ideal solution combining beauty, durability, and factory-direct supply.
For more information about Quartz Slabs and Countertops, please contact us today. Our team will get back to you within 6 hours.
Please include details such as material name, size, thickness, finish, quantity, and destination port so that we can quote the best price. Please inform MOQ 100M2. Thank you.*
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