Fibrolite
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Physical & Optical Properties
Mohs Hardness
| Mohs | Reference mineral | Fibrolite |
|---|---|---|
| 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 Fibrolite
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About Fibrolite
A fibrolite é a variedade fibrosa da sillimanite, um polimórfico do andalusite e da cianite. Ocorre em agregados fibrosos de cor branca a acinzentada, frequentemente em gneisses e xistos metamórficos de alto grau. A sillimanite transparente é usada em joalharia, e a variedade fibrolite pode exibir efeito de olho-de-gato em cabuchão. O Sri Lanka é uma fonte importante. Apesar da sua dureza, a clivagem perfeita torna-a difícil de lapidar.