Minerals and Ores - Chapter 9

Front

What is the most common method for obtaining minerals and ores?

Back

Mining

Front

What category does platinum (Pt) belong to?

Back

Native mineral

Front

What is the term for the ratio of a mineral's density to water's density?

Back

Specific gravity

Front

What does a mineral rated as 1 on the hardness scale indicate?

Back

Soft

Front

What makes up 90% of the earth’s crust?

Back

Silicates

Front

Define 'mineral'.

Back

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

Front

What is an ore?

Back

A naturally occurring solid material from which a metal or valuable mineral can be extracted profitably.

Front

What is the difference between a native mineral and a compound mineral?

Back

A native mineral is composed of a single element, while a compound mineral consists of two or more elements chemically bonded together.

Front

What is luster in minerals?

Back

Luster refers to the way light interacts with the surface of a mineral, indicating its shine or dullness.

Front

What is the Mohs hardness scale?

Back

A scale that ranks minerals based on their ability to scratch one another, ranging from 1 (softest) to 10 (hardest).