Diamonds

A detailed Summary of Diamonds

A diamond is Carbon in its most concentrated form. Its is composed solely of

carbon, although traces of other elements may be present. Diamond is the hardest surface

known to man, nothing can scratch a diamond except for another diamond. The reason

diamonds are so hard is their molecular structure. The Carbon atoms are arranged very

closely together in formations called "crystal habits". In these arrangements, each carbon

is bonded to four others with very strong bonds. Because the Carbon atoms are so close

together, diamond is a very dense mineral in comparison to others with similar molecular

composition. Diamond's density has been measured at 3.51 g/cmł.

Diamonds are valued for their luster and brilliance. The reason they are such a shiny gem is that they are very good at refracting, or bending, light. This causes the

colors, or "fire" that seem to radiate from the sides of a diamond. Diamond also has the

highest amount of reflectance of any transparent material.

Europe and Antartica has diamond mines. For 1000 years, India was the only source of

diamonds are Australia, Siberian Russia and several other African countries. Africa

There are two types of diamond deposits, called primary and secondary. Primary deposits consist of Kimberlite and lamproite pipes that raise diamonds from the earth's mantle, while secondary deposits are caused by erosion. Some examples of secondary deposits are surface scatterings around a pipe, concentration in river channels, and deposits from rivers moved by wace action along ocean coasts.

Indicator minerals are found in the kimberlite and lamproite pipes containing diamonds. These minerals are much more abundant than diamonds, so that is what geologists look for when searching for diamonds. Some sommon indicators are: diamond (obviously), garnet, chromite, ilmenite, clinopyroxene, olivine and zircon.

archons. Diamonds are believed to have been formed and stored below the cratons, and

Some common words found in the essay are:
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Approximate Word count = 698
Approximate Pages = 3 (250 words per page double spaced)

Category: Science

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Diamonds

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