2marks : define minerals and its types class 8
Answers
Answer:
Minerals are an important part of our everyday life and make up most of the earth they are defined as naturally occurring substances that have a crystalline structure.
1. Metallic Minerals
Metallic minerals exhibit lustre in their appearance and consist of metals in their chemical composition. These minerals serve as a potential source of metal and can be extracted through mining. Examples of metallic minerals are Manganese, iron ore and bauxite are Metallic minerals and be divided into ferrous and non-ferrous metallic minerals.
Ferrous minerals are one that contains iron and non-ferrous are one that does not contain iron.
2. Non-metallic minerals
Non-metallic minerals are minerals which either show a non-metallic lustre or shine in their appearance. Extractable metals are not present in their chemical composition. Limestone, gypsum, and mica are examples of non-metallic minerals.
Bauxite ore mostly exists in deeply weathered rocks. Volcanic rocks contain bauxite deposits in some regions.
Iron metal extracted from iron ore. It never exists in pure form and has to be extracted from iron ore by eliminating the impurities.
Gold is the oldest and most precious element to be known.
Manganese ore is a silvery brittle or grey-white metallic ore occurs in many forms and found worldwide.
Explanation:
Minerals are substances that are naturally found on Earth. Minerals are typically solid, inorganic and have a crystal structure.
There are 2 types of minerals..
1. Macrominerals
2.Microminerals