Gem Encyclopedia — Mobile App
- In stock, ready to ship
- Inventory on the way
💍 Love this stone? We can have it custom-mounted by our partner jeweler.
The reference encyclopedia of precious stones, in your pocket.
281 stones and minerals, 1,183 photos, and every gemmological property: hardness, density, colours, transparency, lustre, crystal system, deposits by country, zodiac signs... In French and in English.
- 🔎 Identification filters: find a stone from its characteristics (colour, Mohs hardness, density, country of origin...)
- 📱 Installs like an app on iPhone and Android, straight from the browser
- ✈️ 100% offline once installed: perfect when travelling, at a show or in the field
- 🔑 Personal access code sent immediately after purchase (valid for one device)
→ See the step-by-step installation guide
Digital product — nothing is shipped. Content based on Patrick Voillot's gemmology encyclopedia.
