Amazonite
| Also known as | Microcline (Microcline family) |
|---|---|
| Colour | Green, Blue |
| Mohs hardness | 6.0–6.5 |
| Lustre | Vitreous |
| Streak | White |
| Crystal system | Triclinic |
| Transparency | Translucent, opaque |
| Cleavage | Perfect |
| Fracture | Uneven, splintery |
| Chemical formula | KAlSi 3 O 8 |
| Specific gravity | 2.56–2.58 |
What is Amazonite?
Amazonite, also known as amazonstone, is a green tectosilicate mineral, a variety of the potassium feldspar called microcline. Its chemical formula is KAlSi3O8, which is polymorphic to orthoclase.
How to identify Amazonite
- Lustre: Vitreous.
- Hardness: Mohs 6.0–6.5 — about as hard as a steel knife.
- Streak: White.
- Habit: Triclinic crystal system.
Amazonite in different forms
Stones often confused with Amazonite
Frequently asked questions
How hard is Amazonite?
Amazonite is Mohs 6.0–6.5 on the hardness scale.
What colour is Amazonite?
Amazonite is typically green, blue (Green, blue-green).