Diamond. Curious, perhaps, that the hardest substance known can be shattered - but not scratched or cut.
A natural substance is a chemical compound or element that is found in nature and is not created or significantly altered by humans. Examples of natural substances include water, air, rocks, and minerals.
Yes.
Natural Resource
Natural gas is a physical substance.
Natural gas is a physical substance.
Yes, stone is a natural substance, not man-made.
No natural substance is equal in hardness to a diamond.
a magnet Actually named magnetite, but it is a natural magnet.
A diamond
Diamond
A substance in its pure and natural form is one that has not been altered or mixed with other substances. It exists in its original state as found in nature, without any additional processing or refinement.
Diamond