Fayalite
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Physical & Optical Properties
Mohs Hardness
| Mohs | Reference mineral | Fayalite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | ● |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Where to Buy Fayalite
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About Fayalite
A fayalite é o membro rico em ferro da série olivina, com cores que variam de amarelo a amarelo-esverdeado e castanho-esverdeado escuro. Embora quimicamente distinta da peridote (forsterite), compartilha com ela a associação a rochas ígneas. Os cristais transparentes de qualidade gema são raros e dificilmente facetados. A fayalite é principalmente de interesse mineralógico, e os exemplares de qualidade gema são valorizados por colecionadores de rarezas do mundo das gemas.