Ghost Amethyst with Calcite from Veracruz, Mexico

Ghost Amethyst with Calcite
 
 Rare mineral!
 Museum specimen! intact , and sublime presentation! Piece for discerning collectors .
 Mini Calcites in cube on some Amethyst crystals and gas ghosts in some crystals ! Presence of bouquets of Amethyst flowers .
 Ideal for a collector , this Amethyst mineral will bring satisfaction and deserve its place in the best collections or showcases.
 
 Video: https://www.youtube.com/watch?v=KqSAUxYNFpM
 
 Origin: Cerro de la Concordia, Piedra Parada, Veracruz, Mexico
 Size: 20cm by 12.5cm by 8cm for 1kg263
 Chemical formula: SiO2
 Crystal system: Trigonal
 Hardness Mohs scale: 7
 Definition: It is a variety of purple quartz , found throughout the world ( Amethyst from Brazil, Uruguay, Africa, Mexico, Bulgaria, France …). This pronounced purple color is due to silicon dioxide . It is found in a very translucent to very dark format. We will find amethyst as an element of choice in jewelry and classified as a fine stone according to the quality of the crystals . It is found in various forms: Geodes of Amethysts, Druses or clusters of Crystals, Crystal, rough or polished pebbles , Spheres or Eggs , sometimes also in slices .