Pseudomorphic Amethyst from Turkey

Pseudomorphic Amethyst (Goethite) from Alacam Mine, Balikesir, Turkey.
 
 Druse of Crystals in Exceptional Colors 100% natural and dark purple !
 Top of top of the deposit! Part that has become very difficult to find.
 It deserves its place in the most refined collections or the most prestigious showcases .
 
 Video: https://www.youtube.com/watch?v=jgjYZZKx4b0
 
 Size: 20cm by 17cm by 7.5cm for 2kg213
 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: Amethyst geodes , Druses or clusters of Crystals , Crystal , pebbles raw or polished, Spheres or Eggs , sometimes also in slices .