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Feldspathoid Family

Lapis Lazuli

Hardness 5.5 (Mohs)
Origin Afghanistan, Chile, Russia, Myanmar, Pakistan
Transparency opaque
Backlit Not suitable
Chemical Lazurite (Na,Ca)₈(AlSiO₄)₆(S,SO₄,Cl)₂ with Pyrite and Calcite

About Lapis Lazuli

Lapis lazuli is a deep blue metamorphic rock composed primarily of lazurite, with variable amounts of pyrite (golden flecks), calcite (white veining), and sodalite. The finest specimens display an intense, uniform blue with scattered golden pyrite inclusions that resemble stars in a night sky.

Formation & Origin

Lapis lazuli forms through contact metamorphism — when limestone is altered by heat and chemical fluids from nearby igneous intrusions. The process transforms ordinary minerals into the complex silicate lazurite, which provides the signature blue. Afghanistan’s Badakhshan province has been the world’s premier source for over 6,000 years, producing the deepest blue specimens. Chilean lapis tends to be lighter with more calcite inclusions, while Russian material from the Lake Baikal region is of high quality but extremely rare.

Why Lapis Lazuli for Interiors

Lapis lazuli offers a depth of blue that no other natural stone can match. The scattered golden pyrite inclusions add a subtle sparkle that catches light in unpredictable ways, giving the surface a sense of depth and movement. While softer than quartz (Mohs 5-5.5), lapis performs well in low-impact applications and makes extraordinary vanity tops, console surfaces, and cabinet inlays.

Historical Significance

Lapis lazuli was more valuable than gold in ancient Egypt. Pharaohs were buried with lapis amulets, and the stone was ground into the pigment ultramarine — the most expensive paint colour in the Renaissance, reserved for painting the robes of the Virgin Mary. Michelangelo and Vermeer used it extensively. Today, architectural-grade lapis remains one of the most prestigious and sought-after decorative stones in the world.

Applications

Vanity tops
Console tables
Cabinet inlays
Wall cladding
Decorative objects
Jewellery boxes

Care & Maintenance

Clean with soft damp cloth. Avoid acidic and alkaline cleaners. Seal every 6-12 months. Lapis is porous — wipe spills immediately.