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Uncut unshaped diamonds look like shiny black coal
Uncut diamonds can be formed into pyramid-shaped stones, sometimes with the bottoms of two pyramids joined at the base. However, most uncut diamonds are irregular in their shape. Gem-quality stones are transparent and coloured raw diamonds are clearly coloured and transparent.
when diamonds come out of the ground they are rough and not as pretty as in jewelery stores
You can review the link below to view images of raw diamonds. Remember, about 80% of all diamonds mined are industrial diamonds and only 20% qualify as potential gemstones.
Common one are a green and are not clear.
Black diamonds are diamonds, but they are black, and not transparent. Follow the link, below, to see photos of black diamonds.
Industrial raw diamonds are much less expensive that gem-quality raw diamonds. You can visit the site, below, and look for the raw diamond that you want to buy.
Diamonesk diamonds are not real diamonds. They are stones that are made to look like real diamonds. They are a brand of diamond ring.
The rough ER is a long coiled tube that looks like a intestine. If it is rough it has ribosomes traveling on it.
Faceted, finished brown diamonds are simply diamonds within that colour range. Chocolate diamonds are an intense brown colour.
It has scars all over it.... =( this answer must come from someone who is uncut.=)
Out of the ground they look like little rocks/crystals. It is only when they are cut and polished that they look like they do in a ring.