heat and pressure
Not all minerals are gemstones; these are exceptions.
minerals
Gemstones are minerals but not all minerals are gemstones, as some minerals are very common and have little aesthetic or monetary value.
No not all. Some minerals are metals.
yes they are all minerals and gemstones
Asss
No not all. Some minerals are metals.
The most valuable gemstones are the clear, crystalline form of the harder minerals such as diamond, corundum, tourmaline, topaz, and garnet. Other minerals with exceptional clarity or color, and even some rock types are known commercially to be valuable as gemstones, but hardness is a key to frequent wearability.
no becase there others name
Gemstones Metals Other useful minerals
The name for nonmetallic minerals valued for their beauty and rarity is "gemstones." Gemstones are prized for their aesthetic qualities and are often used in jewelry and decorative items. Examples include diamonds, rubies, and emeralds.
They are called gemstones.Rare, beautiful minerals are generally classified as "gems" or "gemstones".