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Origin: Brazil
- Size: H40cm W32cm D10cm
- Description: Of donut form with a central oculus, this expertly polished specimen highlights the brilliant transparent and white gradation, with striking veins of white quartz. It is aesthetically mounted on a custom black stand.
- Additional information: Quartzis one of the most common minerals. It refers to a specific compound (silicon dioxide), having a specific crystalline form. Quartz has has attracted attention from the earliest times; water-clear crystals were known to the ancient Greeks as krystallos—hence the name crystal, or more commonly rock crystal, applied to this variety.