This 7,478 carat faceted (240 facets) quartz egg, originated in Brazil. Under ideal conditions, in spacious cavities or other openings in rock, quartz crystals can grow impressively large, sometimes weighing several tons. Clear colorless quartz, called rock crystal, is the most common gem mineral. Most commonly, rock crystal is used for carvings, chandeliers, and crystal balls. Turquoise gemstone

This 7,478 carat faceted (240 facets) quartz egg, originated in Brazil. Under ideal conditions, in spacious cavities or other openings in rock, quartz crystals can grow impressively large, sometimes weighing several tons. Clear colorless quartz, called rock crystal, is the most common gem mineral. Most commonly, rock crystal is used for carvings, chandeliers, and crystal balls.