Duchessa Gris Marble

About
Item Details
- Material Type:
- Marble
- Origin:
Spain (Gipuzkoa (Guipúzcoa), Basque Country) - Primary Color(s):
- Grey
- Recommended Usage:
- Kitchen and bathroom countertops, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces
- Additional Names:
- Gris Duquesa Marmol, Duchess Grey Marble, Duquesa Gris Marmol, Grey Duchess, Grey Duquesa Marble, Grigio Duchessa Marble, Duchessa Gris Limestone, Duchessa Gris
- Finished Surface:
- Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
- Water Absorption:
- 0.2 %
- Density:
- 2710 Kg/m³
- Flexural Strength:
- 27.3 MPa
- Compressive Strength:
- 67.2 MPa
Description
Duchessa Gris Marble is a refined natural stone quarried in Gipuzkoa (Guipúzcoa), Basque Country, Spain, known for its understated elegance and earthy palette. It features a subtle yet expressive combination of neutral tones that make it highly versatile in architectural and interior applications.
Appearance & Texture
Base Color: Light brown or taupe
Secondary Shades: Soft earth-gray hues gently blending across the surface
Veining & Inclusions:
- Delicate white streaks and linear veins running diagonally or parallel
- Occasional white quartz crystal patches, adding translucent sparkle
- Intermittent black mineral specks or stains, enhancing visual depth
Pattern Type: Subtle brecciated or linear veining with natural variation
Texture: Fine to medium grain, smooth and uniform with occasional crystalline inclusions
Technical Properties
- Water Absorption : 0.20 %
- Density : 2710 kg/m³
- Flexural Strength : 27.3 MPa
- Compressive Strength : 67.2 MPa
- Mohs Hardness : ~3–4
These values place Duchessa Gris within the performance range of durable marbles, suitable for most indoor settings with proper care.
Chemical Composition (% by weight)
(Typical for marbles of the Basque geological zone; actual values may slightly vary)
- CaCO₃ (Calcium Carbonate): ~94–96%
- SiO₂ (Silicon Dioxide): ~1.0–2.5%
- Fe₂O₃ (Iron Oxide): ~0.4–0.8% (contributes to warm brown tones)
- MgCO₃ (Magnesium Carbonate): ~0.5–1.0%
- Al₂O₃ (Aluminum Oxide): <0.5%
- Minor minerals: Traces of mica, graphite, and quartz
Available Cutting Sizes (cm)
Tiles:
- 30 × 30
- 40 × 40
- 60 × 30
- 60 × 40
- 60 × 60
Slabs:
- Standard sizes: 220–300 × 120–190
- Thickness: 2 cm and 3 cm
Custom cut-to-size: For countertops, vanity tops, treads, risers, wall panels, sinks, and furniture inlays
Surface Finish Options
- Polished – mirror-like surface to accentuate color and veining
- Honed – matte finish for a soft, natural look
- Leathered / Brushed – textured and tactile for rustic-modern applications
- Antiqued – aged appearance for traditional or classical aesthetics
- Sandblasted + Brushed – slip-resistant for bathrooms or wet zones
Applications & Usage
- Interior Flooring and Wall Panels
- Bathroom Vanities, Shower Walls
- Kitchen Islands and Countertops
- Staircases, Risers, Thresholds
- Fireplace Cladding and Decorative Elements
- Furniture Inlays and Table Tops
Although mainly recommended for interior use, it may also be applied in covered exterior walls or facades, provided proper sealing and maintenance.
Maintenance Guidelines
Sealing: Apply a penetrating sealer upon installation and reapply annually in high-use areas
Cleaning: Use pH-neutral stone cleaners only; avoid acidic or abrasive products
Polish Care: Polished surfaces may need light repolishing over time depending on wear
Stain Prevention: Wipe spills (wine, citrus, oils) immediately to avoid etching
Summary
Duchessa Gris Marble stands out for its balanced light brown and gray tones, softened by white veining and quartz inclusions, and punctuated with subtle black mineral flecks. This sophisticated yet organic-looking marble is a great choice for contemporary interiors, classic detailing, and refined public spaces, offering both aesthetic appeal and durability.















