E.4 Rocks and Minerals

Question 1

What are minerals?

Answer 1

The basic building blocks of rocks. Each mineral is unique and made up of only one type of substance

Question 2

What are the properties of minerals? And describe

Answer 2

Colour: what colour or design it has
lustre: how it shines or reflects light
streak: the colour of powder it leaves behind when scraped
cleavage or fractures: how it breaks if it bumpy or smooth edges
hardness: how hard the rock is and how it can scrape a glass plate measures on mohs scale