Pearl – Overview
Intro
Pearl is valued for lustre, surface quality, shape, and origin rather than faceting or high hardness.
Overview
This starter entry positions pearl as an organic jewellery material where lustre, nacre quality, surface, and care guidance should lead the educational story.
About
This starter entry positions pearl as an organic jewellery material where lustre, nacre quality, surface, and care guidance should lead the educational story. Pearl is presented here as a structured gemstone record ready for linked buyer guides, research posts, and media galleries.
Key Properties
| Mineral / material | Pearl |
|---|---|
| Chemistry | CaCO3 with organic material |
| Crystal system | Organic aggregate |
| Colour | White, cream, pink, silver, golden and black |
| Refractive index | 1.53 – 1.69 |
| Specific gravity | 2.6 – 2.85 |
| Mohs hardness | 2.5 – 4.5 |
| Luster | Pearly |
| Transparency | Opaque |
| Toughness | Fair |