Minerals & Rocks

If a mineral can scratch topaz what is it's hardness range?

• 8.5 - 10

• 7.5 - 1

• 8

• unknown

Which mineral property is being shown here?

• Luster

• Hardness

• Cleavage

• Streak

Match the following descriptions with the correct term related to mineral properties.

• The process of forming a crystalline structure from a fluid or from materials dissolved in the fluid is called...

• Habit

• The tendency for a mineral to split along specific planes of weakness to form smooth, flat surfaces is called...

• Cleavage

• The way a mineral looks when it breaks apart in an irregular way is called...

• Crystallization

• The general shape and structure of a mineral crystal is called...

• Fracture

What is the scale that is used to indicate hardness of a mineral?

• Red Scale
• Moh's scale
• Einstein's Scale
• Fracture Scale

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

______ is the way a mineral reflects light from its surface.

• Luster

• Streak

• Hardness

• Color

When a mineral breaks apart in an irregular way with rough or jagged edges, it is called

• Cleavage

• Fracture

• Hardness

• Streak

A shiny material is described as having a __________________ luster

• Metallic

• Nonmetallic

A dull material is described as having a (a)   luster.

• Metallic
• Nonmetallic

Moh’s scale of hardness ranks minerals from 1 which is the _______________ to 10 which is the ________________.

• Softest, hardest

• Hardest, softest

Minerals formed from magma that cools very slowly will have __________ crystals

• Large

• Small

• Pink

• Cubic

Tags

NGSS.MS-ESS2-3