Phantom Amethyst with Chlorite and Pyrite from Bulgaria

Phantom Amethyst with Chlorite and Pyrite from Bulgaria.
 
 Rare piece!
 It deserves its place in a beautiful collection or showcases .
 
 Video: https://www.youtube.com/watch?v=CEtL5uBZDv4
 
 Origin: Drujba mine, Lacky, Bulgaria
 Size: 11 cm by 9 cm by 6 cm for 858gr
 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, etc.). This pronounced purple color is due to silicon dioxide . It is found in very translucent to very dark format. We will find the 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 , pebbles raw or polished, Spheres or Eggs , sometimes also sliced .