Lapis Lazuli

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Lapis Lazuli – Overview

Intro

Lapis lazuli is an opaque blue ornamental material recognised instantly for rich colour and historical prestige.

Overview

This starter entry positions lapis lazuli as an educational material whose appeal comes from colour, texture, and cultural history rather than transparency or brilliance.

About

This starter entry positions lapis lazuli as an educational material whose appeal comes from colour, texture, and cultural history rather than transparency or brilliance. Lapis Lazuli is presented here as a structured gemstone record ready for linked buyer guides, research posts, and media galleries.

Key Properties

Mineral / materialLapis Lazuli
ChemistryLazurite-rich rock
Crystal systemAggregate
ColourDeep blue often with golden pyrite flecks
Refractive index1.5
Specific gravity2.7 – 2.9
Mohs hardness5 – 5.5
LusterDull to vitreous
TransparencyOpaque
ToughnessFair