There are minerals like graphite that have the same chemical composition as diamond, and there are many gems that are simply quartz, like agate, but there are probably none that are similar to both diamond and agate.
Diamond is a mineral and a gem. The main ore of diamond is called kimberlite.
It's state gem is the diamond and its state mineral is the quartz crystal.
Diamonds are minerals. Rocks are mad up of minerals, so tectonically it is both. But scientists all believe that a diamond is a mineral. Go to wikipedia.org\minerals
Diamond is an allotrope of the element carbon, so may be classified as a mineral (it can be colored by elemental impurities). About 20% of all diamonds mined are gem-quality stones, leaving the remainder to be classified as industrial diamonds. Diamond is not an ore.
All diamonds, regardless of the colour, are formed from carbon. Brown is the most common colour of gem-quality diamond found. Brown coal -- lignite -- is sometimes called the 'brown diamond'.
Diamond is a mineral and a gem. The main ore of diamond is called kimberlite.
Yes.
Diamond is a special molecular arrangement of carbon, a mineral.
Diamond is a special molecular arrangement of carbon, a mineral.
Diamond is a special molecular arrangement of carbon, a mineral.
a diamond is a mineral (also is a gem)
Yes.
It's state gem is the diamond and its state mineral is the quartz crystal.
Maryland has an Official Gem which is an agate called the Patixent River Stone but it has no Official Stone, Rock or Mineral.
As of 2014, Maryland does not have an official state rock. However, the state does have the Patuxent river stone as the official gemstone of the state.
Diamonds are minerals. Rocks are mad up of minerals, so tectonically it is both. But scientists all believe that a diamond is a mineral. Go to wikipedia.org\minerals
blue agate