Mineralogy Database
Search | About the mineralogy database | Contact| Sample n° 14198 |
Minerals found in the sample
| Mineral | Formula | Category | Subcategory | Importance |
|---|---|---|---|---|
| TOURMALINE | (Na,Ca)(Mg,Fe,Al)3(Al,Fe,Mg)6(BO3)3Si6O18(OH)4 | cyclosilicates | tourmaline | major |
Description
| Description: | cut stones of various colours (0.56, 0.39, 0.61, 0.43, 0.49 g) |
Origin
Country:
Sri Lanka
Region:
Locality:
Specification
| Donors | Goossens | Sampling year | |
| Donation year | 1983 | Registration date | |
| Quantity | 5 | Dimension code 1>2>3 | 2 |
| Size | 3 | Quality code 1>2>3 | 1 |
| Holotype | no | Thin section | no |
| Paratype | no | Chemical analysis | no |
| Radioactive | no | X-Ray spectra | no |
