Natural black diamonds are called Carbonado. From Wikipedia: "Carbonado diamonds are typically pea-sized or larger porous aggregates of many tiny black crystals."
Read more, below.
Diamonds are the hardest material on earth, and 75% of diamonds mined are used in industry. Industrial diamonds are used for cutting tools.
In chemical terms, diamond is an allotrope of carbon.
Black diamonds -- carbonado -- are formed in ways that other diamonds are not formed. All diamonds are formed from carbon, but carbonado is more porous than other diamonds. The carbon isotope is low at -13 where most diamonds are rated as -12. Black diamonds are the 'toughest' form of diamond. Bottom line: we don't really know how carbonado is formed.
Because diamonds are the stringest substance it is great to make other appliance stronger
The difference is big: synthetic diamonds are real diamonds and repeat all properties of natural diamonds, simulants are just trying to copy the brightness of the valuable gemstone. Synthetic's price is usually much higher than simulants. For more information on simulants and real diamonds follow the attached link.
Black diamonds are black.
You can buy black diamonds.
Black diamonds are diamonds, but they are black, and not transparent. Follow the link, below, to see photos of black diamonds.
yes black diamonds are rare in this region
Mother earth makes black diamonds.
You cannot make diamonds from tequila -- their chemical properties are not the same.
Diamonds can be found naturally occuring in a range of colors, including black diamonds. They are not artificially made.
Black diamonds that are available in the market are usually low grade white diamonds that have been colored black, however, natural black diamonds can be expensive depending on the quality.
Lethbridge Black Diamonds was created in 1992.
Black diamonds -- properly Carbonado, are real diamonds, with our without enhancements. You can read more about Carbonado, below.
Black diamonds are more rare than regular diamonds. They are one of the most rare species of colored diamonds.
Natural black diamonds are rare. They are due to dark graphite inclusions. Their rarity makes them valuable. Most black diamonds are synthetic and made by heat treating low quality diamonds. The price of a synthetic black diamond is lower than that of white diamonds.