Barite with Calcite and Pyrite balls

Barite with balls of Calcite and Pyrite.
 
 Very nice piece of Barytine with beautiful Botroidal Calcites and inclusions of Pyrite .
 It deserves its place in the most beautiful collections or showcases .
 
 Video: https://www.youtube.com/watch?v=RnLDrjKPluA
 
 Origin: Morocco
 Size: 12 cm by 8 cm by 6.5 cm for 651gr
 Chemical formula: BaSO4
 Crystal system: orthorhombic
 Hardness Mohs scale: 3 - 3.5
 
 Definition : Barite (or barite ) is a mineral species composed of barium sulphate . This mineral , of hydrothermal origin, has many varieties. Its density and the barium it contains are the main causes of its industrial uses and several million tons of barite are extracted and produced each year.