Danburite
| Colour | White, Clear, Pink, Gray, Brown |
|---|---|
| Mohs hardness | 7 – 7.5 |
| Lustre | Vitreous to greasy |
| Streak | White |
| Crystal system | Orthorhombic |
| Transparency | Transparent to translucent |
| Cleavage | {001} Poor |
| Fracture | Subconchoidal to uneven |
| Chemical formula | CaB 2 (SiO 4 ) 2 |
| Specific gravity | 2.93 – 3.02 |
What is Danburite?
Danburite is a calcium boron silicate mineral with a chemical formula of CaB2(SiO4)2.
How to identify Danburite
- Lustre: Vitreous to greasy.
- Hardness: Mohs 7 – 7.5 — hard enough to scratch glass.
- Streak: White.
- Habit: Orthorhombic crystal system.
Danburite in different forms
Stones often confused with Danburite
Frequently asked questions
How hard is Danburite?
Danburite is Mohs 7 – 7.5 on the hardness scale.
What colour is Danburite?
Danburite is typically white, clear, pink, gray, brown (Colourless, white, gray, brownish white, straw yellow).