Minerals

Rocks are made up of one or more _____________

Minerals are naturally occurring, organic solid, and with definite crystalline structure.

• TRUE

• FALSE

Friedrich Mohs is a German mineralogist who is popular with his invention called

A physical property of a mineral that is usually more useful for identification than the color of the mineral.

• STREAK

• LUSTER

• FRACTURE

Among the following minerals, which is the hardest?

• APATITE

• CALCITE

• TOPAZ

________ is a type of luster where minerals have shiny surfaces.

Choose from the following pictures which exhibits FRACTURE

• 
• 
• 

Give at least 3 examples of rock-forming minerals.