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Blue Emerald Labradorite Slab - Dazzling Blue Labradorite from Madagascar

Blue Emerald (蓝翡翠) is a premium labradorite quarried in Madagascar, prized for its deep interlaced black base and the dazzling blue iridescence that shifts across the polished surface. Although the source workbook lists it under granite, Blue Emerald is in fact a labradorite - a feldspar mineral whose signature labradorescence flashes blue, green, and gold as light strikes the crystal planes. This optical effect makes every slab a living, changing surface that no engineered material can replicate. Apexstone supplies full-size Blue Emerald slabs cut from select Madagascar quarry blocks for luxury residential, hospitality, and statement commercial interiors worldwide.

Blue Emerald Labradorite full slab showing deep black base with dazzling blue iridescence

Full-size Blue Emerald Labradorite slab - deep interlaced black base with the signature blue labradorescence flashing across the polished surface.

What Makes Labradorite Different from Marble and Granite

Labradorite is a plagioclase feldspar mineral, not a carbonate (marble) or silicate (granite) rock. Its defining feature is labradorescence - an optical phenomenon where light refracts through internal crystal lamellae to produce flashes of blue, green, and gold. Blue Emerald exhibits a particularly intense blue flash against a deep black base, creating a surface that appears to glow from within as the viewing angle changes. Unlike marble's veining or granite's speckle, labradorite's iridescence is a play of colour that shifts with light and movement.

Blue Emerald Labradorite typically has a density of 2.7-2.8 g/cm³, water absorption below 0.5%, Mohs hardness of 6-6.5, and compressive strength of 150-200 MPa. These values place it among the harder, more durable natural stones - harder than marble and comparable to granite - making it suitable for polished countertops, feature walls, and statement tabletops when properly sealed.

Blue Emerald Labradorite slab closeup showing blue iridescence detail

Slab closeup - the blue labradorescence flashes across the deep black base as light strikes the crystal planes.

Slab Grading and Selection

Apexstone grades each Blue Emerald block at the quarry using two criteria: iridescence intensity (how strong and how blue the labradorescence flash is) and base consistency (how uniform the deep black tone is across the slab). Grade A Premium slabs have intense, evenly distributed blue flashes and a consistent black base, ideal for feature walls, statement tabletops, and book-matched installations. Grade B Commercial slabs have moderate iridescence and slight base variation, suitable for countertops and vanity tops where the stone is one of many surfaces.

Blue Emerald Labradorite slab detail showing iridescence and black base

Slab detail - the deep black base and blue iridescence are evaluated during slab selection for premium applications.

Surface Finishes

Polished: The standard finish for Blue Emerald. High-gloss polishing maximises the labradorescence, deepening the blue flash and creating a reflective surface that amplifies the stone's optical effect. Ideal for feature walls, tabletops, and statement countertops.

Honed: A smooth, matte finish that softens the iridescence to a subtle sheen. Suitable for floor tiles and bathroom surfaces where slip resistance matters.

Brushed: A textured finish that adds tactile interest while retaining a muted blue flash. Suitable for outdoor paving and feature walls where a natural, unrefined look is desired.

Blue Emerald Labradorite slab polishing process

Slab polishing - the high-gloss finish maximises the blue labradorescence across the surface.

Gang-Saw Cutting and Processing

Each Blue Emerald slab is cut from select Madagascar quarry blocks using gang-saw technology with chilled water and steel-shot abrasive. The slabs are then dried, inspected for fractures and iridescence distribution, and processed through polishing, honing, or brushing lines depending on the specified finish. The blue labradorescence is evaluated under directional light during inspection to confirm the optical effect is present and evenly distributed.

Blue Emerald Labradorite slab cutting on CNC bridge saw

CNC bridge saw cutting a Blue Emerald Labradorite slab to custom panel dimensions.

Blue Emerald Labradorite block cutting in factory

Block cutting - raw Madagascar blocks are mounted on the gang-saw for slab production.

Why Choose Apexstone for Blue Emerald Labradorite?

Apexstone has supplied natural stone to projects in 42 countries since 2002. Our Blue Emerald Labradorite slabs are sourced directly from Madagascar quarries, inspected block-by-block for iridescence intensity and base consistency, and processed in our Xiamen facility with precision gang-saw cutting, calibrated thickness, and optional surface finishes (polished, honed, brushed). We provide CAD pre-visualisation, custom panel sizing, edge profiling, and global logistics coordination for B2B importers.

Available slab sizes up to 3000 x 1800 mm (118 x 71 inch). Thickness options: 18 mm (3/4 inch) for standard applications, 20 mm (3/4 inch) for countertops and tabletops, and 30 mm (1-1/4 inch) for statement feature walls and waterfall islands. Polished finish standard; honed and brushed finishes available.

Contact us for slab availability, current pricing, and project-specific customisation. Minimum order quantities and lead times vary by slab size and finish selection.

1f:T1c90,

Blue Emerald Labradorite Slab - Dazzling Blue Labradorite from Madagascar

Full-size Blue Emerald Labradorite slab - deep interlaced black base with the signature blue labradorescence flashing across the polished surface.

What Makes Labradorite Different from Marble and Granite

Slab closeup - the blue labradorescence flashes across the deep black base as light strikes the crystal planes.

Slab Grading and Selection

Slab detail - the deep black base and blue iridescence are evaluated during slab selection for premium applications.

Surface Finishes

Honed: A smooth, matte finish that softens the iridescence to a subtle sheen. Suitable for floor tiles and bathroom surfaces where slip resistance matters.

Brushed: A textured finish that adds tactile interest while retaining a muted blue flash. Suitable for outdoor paving and feature walls where a natural, unrefined look is desired.

Slab polishing - the high-gloss finish maximises the blue labradorescence across the surface.

Gang-Saw Cutting and Processing

CNC bridge saw cutting a Blue Emerald Labradorite slab to custom panel dimensions.

Block cutting - raw Madagascar blocks are mounted on the gang-saw for slab production.

Why Choose Apexstone for Blue Emerald Labradorite?

Contact us for slab availability, current pricing, and project-specific customisation. Minimum order quantities and lead times vary by slab size and finish selection.

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