Question

Distinguish between a rock and a mineral with suitable examples

Answer 1

Answer:

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by geological processes. A rock is an aggregate of one or more minerals whereas a rock may also include organic remains and mineraloids.

Eg. of minerals are Calcium, sodium, iron, zinc, potassium, magnesium, etc.

Eg. of rocks are Basalt, Granite, Pumice, Obsidian, etc.

Answer 2

Answer:

ROCKS

1. Rocks are an aggregate of mineral elements.
2. no definite chemical composition.
3. minerals are organised to form rocks.

Basalt, granite, sandstone and quartz are some of the examples.

MINERALS

1. minerals are solid inorganic substances occurring naturally.
2. definite chemical compositions.
3. elements are organised to form minerals.
4. Fe ,Mg, Ca are some minerals