QUARTZ (SMOKY) SPHERE
ORIGIN:
Product Details
- CRYSTAL/MINERAL
- SMOKY QUARTZ
- location
- Brazil
- Sphere Diameter
- 7.8cm (3.0in)
- SKU
- 143109
- GEOLOGICAL FORMATION
- Smoky quartz is a variety of crystalline quartz colored by natural radiation exposure within the Earth's crust. The gemstone displays a range of brown to gray translucency, from pale smoky tones to deep charcoal, depending on the intensity and duration of radiation exposure during formation.
This mineral crystallizes in granite pegmatites and hydrothermal veins, typically forming over thousands to millions of years. The smoky coloration results from aluminum-based color centers activated by natural radioactivity from surrounding rocks. Unlike heat-treated alternatives, naturally occurring smoky quartz develops its color through geological processes.
With a hardness of 7 on the Mohs scale, smoky quartz exhibits good durability and takes a vitreous luster when polished. Crystal formations range from simple prismatic habits to complex terminated specimens, often displaying natural etching and surface textures characteristic of their formation environment.
Smoky quartz represents one of nature's more abundant colored quartz varieties, formed through the intersection of specific chemical conditions and natural radiation over geological time scales.
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QUARTZ (SMOKY) SPHERE
Sale priceAED 2,900.00