

Gemma Bronze
Block 45 / Colorsync
A painted canvas of sensual nuances and shades.
- Size:
- 162 × 322 cm
- Thickness:
- 12 mm
- Finishes:
- Polished, Honed
- Design Type:
- Bookmatch
- Size:
- 160 × 320 cm
- Thickness:
- 6 mm
- Finishes:
- Polished, Honed
- Design Type:
- Bookmatch


- Size:
- 162 × 322 cm
- Thickness:
- 12 mm
- Finishes:
- Polished, Honed
- Design Type:
- Bookmatch
- Size:
- 160 × 320 cm
- Thickness:
- 6 mm
- Finishes:
- Polished, Honed
- Design Type:
- Bookmatch
Bookmatch
Expertly digitalized and curated, a true-to-nature bookmatch that highlight the stone’s inherent pattern and veins flowing from one slab to another in a natural and authentic manner, allowing its timeless elegance to shine through with subtle differences between designs as seen in nature.


Finishes designed to elevate spaces.
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Indulge in the luxurious allure of Polished slabs, offering a high-gloss, ultra-smooth surface with a mirror-like effect. This finish amplifies light reflection, creating a refined and elegant aesthetic. By utilizing high-density materials and an innovative mechanical process, it delivers a surface that is notably flatter and more lustrous than traditional polished finishes.
Indulge in the luxurious allure of Polished slabs, offering a high-gloss, ultra-smooth surface with a mirror-like effect.
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Experience the elegance of Honed slabs, where every surface is meticulously smoothed to perfection through cutting-edge mechanical innovation. This achieves an ultra-flat, matte finish that offers a soft touch and understated allure, exuding enduring beauty.
Experience the elegance of Honed slabs, where every surface is meticulously smoothed to perfection through cutting-edge mechanical innovation.


A cornerstone of limitless beauty and thoughtful design.
Each surface is crafted using patented imaging technology that precisely captures the authentic textures, tonal variations, and fine details inspired by natural stone and contemporary design. This innovation allows for unmatched visual depth and realism, while maintaining design consistency across every slab.
Artistry in Perfect Harmony
Colorsync is Aeterna's signature sintered slab body technology, where artistry meets innovation. Meticulously engineered, it fuses surface design and body composition in seamless visual integration. By blending a curated mix of base colors, Colorsync creates a refined, cohesive aesthetic that syncs with the surface graphic. Guided by advanced innovation and shaped by precision, Colorsync unites performance and elegance in a singular, enduring expression.
Timeless design, enriched by innovation.
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Shock Resistant
Crafted to endure life’s daily demands, offering exceptional resistance to impact, even in high-traffic environments.
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UV resistant / color stability
Formulated with advanced pigments and stable compounds, the material resists fading and discoloration, retaining its rich color and finish even with prolonged sun exposure.
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Heat resistant
Designed for performance in extreme conditions, the surface remains unaffected by high temperatures, making it ideal for kitchens, fireplaces, and outdoor applications.
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Scratch Resistant
Engineered with a dense, durable surface that resists scratches and abrasions, offering timeless protection in high-use environments.
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Hygienic / food safe
The non-porous, easy-to-clean surface inhibits the growth of bacteria and mold, making it a safe and sanitary choice for food preparation areas and beyond.
8000-0072-1: 162 x 322 cm / 64 x 127 in Gemma Bronze Block 45 Bookmatch Cut Polished Colorsync Sintered Slab 12 mm / 0.47 in
8000-0074-1: 162 x 322 cm / 64 x 127 in Gemma Bronze Block 45 Bookmatch Cut Honed Colorsync Sintered Slab 12 mm / 0.47 in
8000-0208-0: 160 x 320 cm / 63 x 126 in Gemma Bronze Block 45 Bookmatch Cut Polished Rectified Colorsync Sintered Slab 6 mm / 0.24 in
8000-0210-0: 160 x 320 cm / 63 x 126 in Gemma Bronze Block 45 Bookmatch Cut Honed Rectified Colorsync Sintered Slab 6 mm / 0.24 in
Conformité Européenne (CE)
Meets EU safety, health, and environmental protection standards for products sold within the European Economic Area.
United Kingdom Conformity Assessed (UKCA)
Complies with UK safety and performance regulations for products marketed in Great Britain.
ISO 9001 - View Document
Certified quality management system: demonstrates compliance with internationally recognized quality management principles, ensuring consistent product and service quality while meeting customer expectations and regulatory requirements.
ISO 50001 - View Document
Certified energy management system: supports improved energy efficiency by reducing energy consumption and carbon emissions, demonstrating a commitment to responsible and sustainable energy use.
ISO 14001 - View Document
Certified environmental management system: validates full compliance with environmental regulations while reducing environmental impact and promoting efficient resource use throughout the product life cycle.
TSE CERTIFIED QUALITY - View Document
Manufactured to international standards: our products are officially certified by the Turkish Standards Institution (TSE) and fully comply with the internationally recognized EN 14411 standard – a mark of outstanding quality and reliability.
ÉMISSIONS DANS L’AIR INTÉRIEUR
Rated A+ for very low emissions of volatile organic compounds (VOCs), contributing to healthier indoor air quality
CHINA COMPULSORY CERTIFICATION (CCC)
Ensures product safety and quality compliance, allowing free circulation of products in the Chinese market.
GREENGUARD GOLD - View Document
Certified for cleaner indoor air - tested and certified for very low volatile organic compound (VOC) emissions, making it safe for indoor environments. GREENGUARD Gold sets even stricter VOC limits, proving it to be ideal for use in schools, healthcare facilities, and other sensitive environments.


Experience the pinnacle of surface innovation
The authentic features of stone and contemporary inspirations are reimagined through exquisite sintered slab surfaces. Thanks to cutting-edge patented imaging technology, the intricate details and nuances of the design are skillfully captured, resulting in a design vision that exudes precision and a remarkable aesthetic appeal.


Sustainability: The Foundation of Our Operations
At the heart of Aeterna is a commitment to conscious creation.
From the thoughtful architecture of our facilities to the seamless, integrated systems for sourcing and processing natural raw materials, every aspect of our manufacturing process is designed with purpose. By minimizing waste and optimizing energy efficiency, we uphold the values of responsible production while pushing the boundaries of design. This is where sustainability meets sophistication, and where our commitment to nature is realized throughout the journey.