Amethyst – Overview
Intro
Amethyst is the purple variety of quartz and remains one of the most recognisable coloured gems in the jewellery trade.
Overview
This starter entry positions amethyst as an accessible, versatile quartz gemstone with good colour-led storytelling for education, gifting, and design.
About
This starter entry positions amethyst as an accessible, versatile quartz gemstone with good colour-led storytelling for education, gifting, and design. Amethyst is presented here as a structured gemstone record ready for linked buyer guides, research posts, and media galleries.
Key Properties
| Mineral / material | Quartz |
|---|---|
| Chemistry | SiO2 |
| Crystal system | Trigonal |
| Colour | Purple to violet |
| Refractive index | 1.544 – 1.553 |
| Birefringence | 0.009 |
| Specific gravity | 2.65 |
| Mohs hardness | 7 |
| Luster | Vitreous |
| Transparency | Transparent to translucent |
| Toughness | Good |