Jewellery buyers looking to purchase black diamond earrings may ask, why are black diamonds called carbonados? The properties of black diamonds are unique with this mineral known to be the toughest form of natural diamond. Black diamonds enjoy a Mohs scale hardness value of 10. This mineral is as unique as are the locations where they are found; typically in alluvial deposits in the Central African Republic and in Brazil. One of the properties of black diamonds is their porous nature that differs from other diamonds as well as their often irregular torn surface. One of the unique characteristics of carbonados is that they are found in sedimentary rocks crystallized over three billion years ago. Carbonado is the official name for the black diamond with…
