Tema 2 Flashcards
What is a mineral?
1- Natural substances
2- Solid
3- Inorganic
What is a physical properties of minerals?
1- Colour
2- Lustre
3- Magnetism
3- Hardness
Clasifications of minerals?
1- Silicates
2- Non silicates
What is silicate?
Is the most comun, they contain silicon and oxygen
What is non-silicate?
they don’t contain silicon and oxygen
What is a rock?
Natural solid and they contain one or more different types of minerals
Classification of rocks?
1- Igneous rocks
2- Sedimentary rocks
3- Metamorphic rocks
What is Igneous rocks?
Formed for magma or lava when it cools down
What is Sedimentary rocks?
Formed for parts of other rocks o for dead living things like shells or skeletons
What is Metamorphic rocks?
They are igneous or sedimentary rocks that are changed for a great heat or pressure or both.