They are called gemstones.
Rare, beautiful minerals are generally classified as "gems" or "gemstones".
gems
Someone who analyses minerals is called a mineralogist or mineral analyst.
They are so beautiful and fairly rare.
Minerals found next to each other are called adjacent.
It's called dissolution, a form of chemical weathering.
I believe they are called crystals.
A common term used for these is gems.
Rare minerals are called rare earth minerals. Their major metal constituents contain one or more rare earth elements. Some common hydrothermal rare minerals include zircon, gadolinite, brockite, and titanite.
That would depend on what you mean by rare and beautiful, both very subjective terms.
Stones that are rare, and look beautiful are considered Gems.
common minerals are not rare minerals eg:not rare
The symbol for Quest Rare Minerals Ltd in the AMEX is: QRM.
yes diamonds are rare and beautiful
Emeralds are expensive because they are rare and beautiful.
The rare and precious afghanistium.
diamond gold and emerald
As of July 2014, the market cap for Quest Rare Minerals Ltd (QRM) is $17,680,319.10
because they are