Category : Education : Society & Culture & Entertainment

Rocks Containing Quartz

Quartz is made up of a silicate mineral and is the second most common material in the Earth's continental crust. Quartz is usually clear or semi-transparent. Many different types of quartz exist, and they vary greatly in value depending on the rarity of the type. Among the most rare are citrine and

Use of Math at Home

Many of us find it difficult to deal with simple mathematical problems in our day to day life. This is not because we do not have the capability to deal with the subject but because we have constantly kept ourselves away from such simple math on purpose.