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 / material | Lapis Lazuli |
|---|---|
| Chemistry | Lazurite-rich rock |
| Crystal system | Aggregate |
| Colour | Deep blue often with golden pyrite flecks |
| Refractive index | 1.5 |
| Specific gravity | 2.7 – 2.9 |
| Mohs hardness | 5 – 5.5 |
| Luster | Dull to vitreous |
| Transparency | Opaque |
| Toughness | Fair |