Mohs Scale Practice

Why does quartz scratch the glass easier than feldspar?

• Because it is softer.

• Because it has a lower scale.

• Because it is harder.

• None of the above

What's mineral No 6 in the Moh's Scale?

• Feldspar

• Diamond

• Gold

• Silver

Which is harder fluorite or copper?

• Copper

• Fluorite

The hardest known mineral on the Mohs Hardness Scale is:

• Fluorite

• Sypsum

• Topaz

• Diamond

Which mineral property is being shown here?

• luster

• hardness

• streak

Physical properties of minerals such as color, hardness, luster, and streak are used to determine what about a mineral?

• Identity

• Mass

• Age

• Location

Tags

NGSS.MS-PS1-1

What mineral in the scale is harder than talc and softer than calcite?

• Orthoclase

• gypsum

• apatite

• fluorite

If a mineral is not scratched by corundum, what is its hardness rating?

• 1

• 4

• 5

• 10

What mineral on the scale is harder than gypsum and softer than fluorite?

• orthoclase

• calcite

• apatite

• fluorite

what is the mineral on the scale that is harder than calcite and softer than apatite?

• orthoclase

• topaz

• gypsum

• fluorite