Introduction to Mineral Identification Page 16 ESRT

Front

Which mineral reacts with acid to produce bubbles?

Back

Calcite

Front

What type of luster do minerals that reflect light like metal have?

Back

Metallic

Front

What is the term used to describe minerals that break along uneven surfaces?

Back

Fracture

Front

What is the hardness range for non-metallic luster minerals listed on page 16 of your ESRT?

Back

1 to 7.5

Front

Which mineral is known as fool's gold?

Back

Pyrite

Front

What is the definition of a mineral?

Back

A naturally occurring inorganic solid with a definite chemical composition and crystalline structure.

Front

What is the Mohs scale used for?

Back

To measure the hardness of minerals.

Front

What is the difference between cleavage and fracture in minerals?

Back

Cleavage is the tendency of a mineral to break along flat surfaces, while fracture is the tendency to break along uneven surfaces.

Front

What is the significance of a mineral's luster?

Back

Luster describes how light reflects off the surface of a mineral, helping to identify it.

Front

What mineral is commonly used in the production of glass?

Back

Quartz.