Difference between revisions of "Jadeite"
From The Gemology Project
Africanuck (talk | contribs) |
Nick Lombard (talk | contribs) (Added Enhancements) |
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{{jadeite}} | {{jadeite}} | ||
| + | ==Enhancements== | ||
| + | |||
| + | Common enhancements to jadeite: | ||
| + | |||
| + | * Fracture filling - wax - conceal cracks and fractures | ||
| + | * Coatings - wax - to improve luster | ||
| + | * Staining - color improvement through dyes | ||
| + | * Bleaching - removes stains | ||
| + | * Polymer impregnation - improves luster and conceals bleaching | ||
Revision as of 13:56, 21 December 2007
| Jadeite | |
|---|---|
| Chemical composition | NaAl(SiO3)2 |
| Crystal system | Monoclinic |
| Habit | Polycrystalline |
| Fracture | Flintery |
| Hardness | 6.5 -7 |
| Specific gravity | 3.30 - 3.37 |
| Lustre | Greasy to vitreous |
Enhancements
Common enhancements to jadeite:
- Fracture filling - wax - conceal cracks and fractures
- Coatings - wax - to improve luster
- Staining - color improvement through dyes
- Bleaching - removes stains
- Polymer impregnation - improves luster and conceals bleaching
