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Forsterite from
Katukubura Hills, Kolonne, Embilipitiya, Ratnapura District, Sabaragamuwa Province, Sri Lanka
| Locality type: | Hill | |
| Classification | ||
|---|---|---|
| Species: | Forsterite | |
| Formula: | Mg2(SiO4) | |
| Comments: | The forsterite from this locality has a relateively high fayalite content, and is promoted as dunilite in the gem market. The composition is published as CaO: 0.09, MgO:38.87, MnO: 0.31, FeO: 21.69, SiO2: 37.61. Total 98.57 wt% ( Dunil Palitha Gunaseker(2008): Dunilite- Discovered by Mr Dunil Palitha Gunasekera ). Individual crystals up to 30cm are known, often with a tabular habitus and dark grayish green colour. Twins and crystal aggregates are not rare. (Muller) | |
| Quality for species: | Good crystals or rich for species - important (!) | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Quartz | 6 | |
| Calcite | 6 | |
| Spinel | 3 | |
| Data | ||
| Mineral Data: | Click here to view Forsterite data | |
| Locality Data: | Click here to view Katukubura Hills, Kolonne, Embilipitiya, Ratnapura District, Sabaragamuwa Province, Sri Lanka | |
| Photo Gallery | View Gallery (6 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 614681 | |
| Long-form Identifier: | 1:3:614681:8 | |
| GUID (UUID V4): | 0 | |
| References | ||
Katukubura Hills, Kolonne, Embilipitiya, Ratnapura District, Sabaragamuwa Province, Sri Lanka