Staurolite
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Physical & Optical Properties
Mohs Hardness
| Mohs | Reference mineral | Staurolite |
|---|---|---|
| 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 Staurolite
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About Staurolite
A estaurolite é um mineral metamórfico característico que forma cristais prismáticos castanhos a castanho-avermelhados, famosos pelas suas geminações em cruz ou X em ângulos de 60° e 90° que criam formas naturais de cruz. Estas cruzes naturais, denominadas 'pedras da fada' ou 'cruzinhas', foram usadas como amuletos religiosos durante séculos e continuam a ser vendidas como curiosidades. Ocorre em xistos de grau médio e gnaisses em todo o mundo.
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Jewelry Use
Suitable for daily wear