Question

1. What kind of rock is each of the following?

marble, gypsum, graníte
, limestone, diamond)
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Answer 1

Granite is an igneous rock composed of mostly two minerals: quartz and feldspar.

limestone:Limestone is a sedimentary rock

marble:

When limestone, a sedimentary rock, gets buried deep in the earth for millions of years, the heat and pressure can change it into a metamorphic rock called marble. Marble is strong and can be polished to a beautiful luster. It is widely used for buildings and statues. As you can see from the picture, marble has a very sparkly luster. It occurs in many different colors such as white, pink, gray, red, yellow or black. 

 gypsum:Gypsum is a common mineral, with thick and extensive evaporite beds in association withsedimentary rocks

diamond:Diamond is only formed at high pressures. It is found inkimberlite, an ultrabasicvolcanic rock formed very deep in the Earth's crust