Quartz
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Physical & Optical Properties
Mohs Hardness
| Mohs | Reference mineral | Quartz |
|---|---|---|
| 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 Quartz
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About Quartz
Quartzo é o segundo mineral mais abundante da crosta terrestre e engloba uma família extraordinária de variedades gemológicas. Das suas formas cristalinas transparentes, temos o cristal de rocha incolor, o ametista violeta, o citrino amarelo, a fumoso, a rodonite e muitas outras. As formas microcristalinas e criptocristalinas incluem calcedónia, ágata, cornalina, jaspe e crisóprase. Com dureza 7 na escala Mohs e ocorrência universal, o quartzo tem sido usado em joalharia e ferramentas desde a Pré-história. A sua abundância torna-o acessível mas a beleza das variedades coradas iguala ou supera gemas mais raras.
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Jewelry Use
Suitable for daily wear