Geosphere

Minerals are

• nonrenewable

• renewable

• inexhaustible

Tags

NGSS.MS-ESS3-1

A rock that contains a large enough concentration of a mineral to make it profitable to mine is called a(n)...

• smelt

• ore

• placer

• gangue

The color of the powder left behind when a mineral is rubbed against a rough surface is called its...

• imprint

• trace

• residual color

• streak

Describe two purposes/uses of minerals

The way light reflects off the surface of the minerals is called its...

• luster

• hardness

• fracture

• streak

Tags

NGSS.MS-PS4-2

Identify the type of breakage in the mineral

• fracture

• cleavage

A student is determining the hardness of an unknown material. The mineral will scratch Quartz and Feldspar. The mineral is scratched by corundum. According to the scale, what is the apparent hardness of the unknown mineral?

• 5

• 9

• 8

• 7

Which statement is supported both by Moh's Mineral Hardness Scale and the chart ?

• A fingernail will scratch quartz, but not calcite

• A piece of glass can be scratched by quartz, but not by calcite

• A fingernail will scratch calcite, but not quartz

• A pice of glass can be scratched by calcite, but not quartz

Tags

NGSS.MS-PS1-2

Which property most directly results from the internal arrangement of its atoms?

• volume

• streak

• color

• crystal structure

Which of the following is the least helpful in identifying a mineral?

• streak

• hardness

• density

• color