Hello to everyone at STEEMIT, this channel will be about precious gems, miniatures, curiosities about them and related content about that style. 

 To begin with,  the black diamond  has, has a long history of humanity, a power of seduction that captivates, whatever the color that flies And, among its colors, the black is a fascinating color for an exceptional stone ... 

 The carbonado or black diamond is the most resistant natural diamond variety. It is a polycrystalline agglomerate of diamond crystals, graphite and amorphous carbon.

 It is found mainly in alluvial deposits in the Central African Republic and Brazil. 

 Know everything about the black diamond.

•  Its hardness rises to 10 on the Mohs scale, the maximum, is the hardest mineral that is not altered with any other diamond.
• It belongs to the crystallized carbon family.
• Its chemical formula is C - Its density is between 3.15 and 3.48 
• The  black diamonds  are opaque and produce neither brightness nor refraction of light. 
• The black diamond is porous. 
• In its natural state, it is very rare and difficult to find, therefore, very appreciated and expensive. 

 Luminescence 

 Black diamonds have a strong luminescence (photoluminescence and electroluminescence & sometimes) caused by the presence of nitrogen and the empty spaces of its crystalline structure. The analyzes of this luminescence & nbsp; those that have presence of radioactive materials in the process of formation of the carbonados. 

 The curse of the diamond.

 The mystery of the black diamond is not the same, if it was not accompanied by a curse. Therefore we can tell you the story of the Black Diamond called Eye of Brahma. It is a 195-carat encounter that was one of the eyes of a Hindu idol, Brahma in Pondicherry, a city in India. It was stolen & nbsp; by a rebellious monk, and since then he was cursed, provoking the & nbsp; death of all the people who owned it. The curse disappeared & nbsp; only when in the year 1955, the stone was split into two pieces and these & rewritten into two other magnificent diamonds. In some countries, such as & nbsp; for example, in Italy, they believe that black diamond helps consolidate & nbsp; a couple relationship.