💯12. Flashcard: Chapters 3 & 4 Common Minerals

Front

What is the most abundant element in the Earth's crust?

Back

Oxygen

Front

Which mineral has a hardness of only 1-2 and has a metallic luster?

Back

Graphite

Front

What are minerals that contain silicon and oxygen called?

Back

Silicate

Front

How many elements make up 99% of the Earth's crust?

Back

8

Front

Which mineral is yellow/green in color but leaves no streak?

Back

Olivine

Front

What is a mineral?

Back

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

Front

What is the definition of a silicate mineral?

Back

Minerals that contain silicon and oxygen, often combined with other elements.

Front

What is the Mohs scale?

Back

A scale used to measure the hardness of minerals, ranging from 1 (talc) to 10 (diamond).

Front

What is the difference between a rock and a mineral?

Back

A mineral is a single substance, while a rock is a solid combination of one or more minerals.

Front

What is the definition of luster in minerals?

Back

The way a mineral reflects light, which can be metallic, glassy, dull, etc.