Alga Light Quartzite

Alga Light Quartzite is a truly distinctive and visually enchanting natural stone quarried in Brazil, featuring a soft pale grey, off-white, to light beige base that creates a calm and airy foundation. Its defining characteristic is its organic flowing veining in muted sage green, moss green, and soft olive tones, often blended with darker grey and charcoal accents. The veining moves in irregular, biomorphic patterns resembling algae drifting in water, forest currents, or natural growth formations, creating a strong sense of fluidity and natural movement across the slab. In some areas, the green mineral concentration appears denser and more expressive, while other sections show delicate, wispy linear formations, giving the stone a balanced yet highly dynamic visual depth.

Texture & Structure

Alga Light Quartzite has a dense crystalline structure composed of interlocking quartz grains, providing excellent hardness and durability. The texture is fine-grained with a smooth and refined surface when polished, enhancing the contrast between the light base and green organic veining. Its natural formation ensures a stable, compact structure with high resistance to wear, heat, and scratching. The pattern flow is soft and continuous, giving the stone a natural layered depth and elegant visual movement suitable for both modern and luxury applications.

Technical Test Results

• Water Absorption: 0.10% – 0.30%
• Abrasion Resistance: High durability (low wear loss)
• Modulus of Rupture: 14–16 MPa
• Compressive Strength: 140–160 MPa
• Flexural Strength: 12–14 MPa
• Density: 2,680–2,720 kg/m³
• Mohs Hardness: 6.5–7

Mineral Composition (% by Weight)

• Quartz: 85–95%
• Feldspar: 2–6%
• Chlorite / Green minerals: 1–5%
• Mica and accessory minerals: <2%

Chemical Composition (% by Weight)

• SiO₂ (Silicon Dioxide): 88–95%
• Al₂O₃ (Aluminum Oxide): 2–6%
• Fe₂O₃ (Iron Oxide): 0.5–2%
• K₂O + Na₂O: 0.5–3%
• CaO: <1%
• MgO: <1%
• Trace elements: <1%

Usage

• Luxury kitchen countertops and islands
• Feature walls and bookmatched panels
• Hotel lobbies and reception areas
• Bathroom vanities and spa interiors
• Flooring in residential and commercial projects
• Staircases and steps
• Fireplace surrounds
• Bar tops and decorative furniture
• Wall cladding and architectural installations

Maintenance

• Clean with pH-neutral stone cleaners
• Avoid acidic or abrasive chemicals
• Seal periodically depending on usage conditions
• Wipe spills immediately to prevent staining
• Use protective pads under heavy objects