Taaffeite, $1500-$2500 Per carat. It is the most precious gem in the world as of now
Most Earth rock is igneous or metamorphic even though visible surface bedrock is mostly sedimentary. Of the total Earth rock volume, only a tiny fraction is sedimentary.
No. The most common rock found on the surface of the Earth is sedimentary rock, and in particular, shale, sometimes referred to as mudrock).
d. on the surface of the Earth
A rock consists of lots of minerals, which are made up of elements such as gold and silver. A rock can contain valuable minerals such as diamonds. Diamonds are the most expensive minerals. You can mine rocks and minerals at a mine
forces inside earth
diamond
diamond
U 2
Igneous rock, and specifically basalt.
The iPhone 4
A rock may or may not be expensive, depending on what the rock is made of.
Basalt is the most common rock thought of as a link in lithology between the Earth and the moon.
Sedimentary rock covers most of the Earth's surface. This type of rock forms from the accumulation of sediments like sand, mud, and organic material, and it can be found in layers all over the planet.
rock
Diamond.
Sedimentary Rock,
Granitic igneous rock.