- Origin: Brazil
- Size: D38cm
- Description: Cut and polished sphere to reveal inner structure of this beautiful quartz formation, can be lightened up from underneath.
- Additional information: Quartz, widely distributed mineral of many varieties that consists primarily of silica, or silicon dioxide (SiO2). Minor impurities such as lithium, sodium, potassium, and titanium may be present. Quartz 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.