A rough diamond is a diamond that has not been cut or processed. They come in a variety of naturally occurring shapes, including octahedral (eight-sided bipyramid), cubic, and triangular (most commonly macles).
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Diamonds_-_cubic_%26_octahedral_-_Africa_%288457822945%29.jpg/220px-Diamonds_-_cubic_%26_octahedral_-_Africa_%288457822945%29.jpg)
A raw diamond or rough diamond can also be a type of diamond that is not fully developed or can have less brilliance. Extreme heat and pressure beneath the ground make the carbon atoms fuse in a specific structure.[1]
See also
References
External links
- Raw Diamond at Gemone Diamond
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up rough diamond in Wiktionary, the free dictionary.