Diamond
A rare mineral that can be cut and polished could be called a gemstone.
Yes.
Yes.
This would be called a gemstone.
crystals
A mineral that is rare and can be cut and polished is called a gemstone. Gemstones are typically prized for their beauty, rarity, and durability, making them valuable for use in jewelry and other decorative items. Examples of gemstones include diamonds, rubies, emeralds, and sapphires.
When a mineral is rare to locate, it is typically referred to as a "rare mineral" or "rare earth mineral." These minerals are not readily abundant in the Earth's crust and can be challenging to find and extract.
Coal is not a mineral and is not rare.
yes but a very rare mineral
yes but a very rare mineral
Yes.
Yes, gold is a rare mineral.Answeryes, it is not a rock or metal but a mineral