Discussion :: Building Materials - Section 3 (Q.No.5)
| 5. | The hardest rock is |
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Answer: Option B Explanation: No answer description available for this question.
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| Extra said: (Jul 27, 2014) | |
| Is diamond a rock? | |
| Subinsekhar said: (Oct 17, 2014) | |
| Since it is a natural mineral, we can consider diamond as a rock. | |
| Mukunda said: (Aug 13, 2015) | |
| Answer will be thinner. | |
| Nawaz Ikram said: (Dec 24, 2015) | |
| Diamonds are not a rock. They are a mineral. Minerals are a "naturally occurring, inorganic (not alive) solid, they also have a crystal-shaped structure. Rocks are a little different. They contain one or more minerals, but are not minerals themselves. Granite, for instance, is made of quartz and other minerals, often feldspar and biotite. |
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| Mujahid Hussain said: (Mar 18, 2016) | |
| Diamonds are minerals, and also refined form of mineral which we naturally occurring. | |
| Sreejith Nair said: (Aug 16, 2016) | |
| A rock formed by only one mineral is called Monomineralic rock and several minerals are polymineralic rock. | |
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