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Diamonds are a precious gemstone much loved in jewellery. But if you're like the geeky Curious Minds Science Shop team, you'll know that they're actually just little lumps of carbon, which have been subjected to enormous heat and pressure. The heat and pressure turn the black carbon into a beautiful crystal with a hardness of 10 on the Mohr scale. In otherwords diamond is hard! In fact diamond is the hardest known bulk material on the planet and also boasts the highest thermal conductivity rating. It is so hard that we value diamond for producing super sharp knives used in industrial processes.

Diamonds are formed at extremely high temperatures and pressures, somewhere between 140 -190 kilometres below the earth's surface. They are brought to the surface layers as a result of volcanic activity and are mined from igneous rocks.

If you would like to understand more about the crystal structure of the metastable allotrope of carbon, which makes up a diamond, check out our Diamond Structure Modelling Kit.

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Genuine Diamond Gemstone Sample

In stock

Product code: 009350
£3.99

Diamonds are a precious gemstone much loved in jewellery. But if you're like the geeky Curious Minds Science Shop team, you'll know that they're actually just little lumps of carbon, which have been subjected to enormous heat and pressure. The heat and pressure turn the black carbon into a beautiful crystal with a hardness of 10 on the Mohr scale. In otherwords diamond is hard! In fact diamond is the hardest known bulk material on the planet and also boasts the highest thermal conductivity rating. It is so hard that we value diamond for producing super sharp knives used in industrial processes.


Diamonds are formed at extremely high temperatures and pressures, somewhere between 140 -190 kilometres below the earth's surface. They are brought to the surface layers as a result of volcanic activity and are mined from igneous rocks.


If you would like to understand more about the crystal structure of the metastable allotrope of carbon, which makes up a diamond, check out our Diamond Structure Modelling Kit.

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