Mineral Rock

In which type of rock do mineral crystals form?

• Sedimentary

• Metamorphic

• Igneous

A mineral must have all of the following EXCEPT

• definite chemical composition

• crystal structure

• inorganic material

• large size

Tags

NGSS.MS-PS1-1

Geologists use all of the following to identify mineral EXCEPT

• streak

• cleavage/fracture

• rock size

• hardness

A mineral with a hardness of 6 can be scratched by a mineral with hardness of

• 7

• 1

• 4

• 5

_____ is a measure of how easily a mineral can be scratched.

• Density

• Hardness

• Luster

• Fracture

How well a mineral reflects light is known as

• transluscence

• opacity

• brilliance

• luster

German geologist Friedrich __________ developed a scale to determine a mineral's hardness.

• Engel

• Einstein

• Mohs

• Oppenheimer

_____ is the color a of mineral when it is powdered.

• Streak

• Shade

• Trace

• Appearance

The most abundant group of minerals in the Earth's crust are

• oxides

• native elements

• silicates

• carbonates

Rocks are composed of _______

• Rocks

• Soil

• Minerals

• Water

Tags

NGSS.MS-PS1-1