Snowman #04 Druzy Agate with Amethyst

314g / 0.692lbs / 11.08oz 4.83" x 2.62" x 0.87" Agate is microcrystalline, meaning that the crystals are tiny, giving the mineral a smooth texture. It is a variety of chalcedony, a cryptocrystalline form of quartz. Agates contain bands of different colors, each containing small amounts of different materials such as manganese, iron, titanium, chromium, nickel, and other elements. Amethyst is a member of the Quartz family with a trigonal crystal system and a hardness of 7. Its color, which varies from pale to deep purple, is derived from the combination of trace amounts of iron and aluminum, plus natural or applied irradiation. Amethyst crystals and gem rough are found in numerous locations throughout the world including Brazil, Bolivia, Mexico, Africa, Canada, Russia, the USA, and Europe.