Ghost Amethyst with Feldspar and Calcite from Brandberg, Namibia

Ghost Amethyst with Feldspar and Calcite
 
 RARE amethyst , and clearly visible ghosts!
 Ideal for connoisseurs seeking excellence , its amethyst crystals will bring satisfaction .
 It deserves its place in the most refined collections or the most prestigious showcases .
 
 Origin: Brandberg, Namibia
 Size: N / C
 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 .