Mineral Properties and Identification

A student has a mineral that can scratch a copper penny but be scratched by a steel file. What is the hardness of the student's mineral?

• 3.5

• 3

• 2

• 1.5

Tags

NGSS.MS-PS1-2

A student is determining the hardness of an unknown mineral. It will scratch Quartz and Feldspar. It is scratched by Corundum. What is the apparent hardness?

• 8

• 9

• 6

• 4

Tags

NGSS.MS-PS1-2

When a sample of Magnetite breaks, it leaves a rough and jagged surface. This rough breakage pattern is called-

• Cleavage

• Effervesence

• Specific Gravity

• Fracture

Which of the following is NOT true of minerals?

• They are liquids

• They are formed in nature

• They are inorganic

• They have crystalline structure

The above figure is testing the mineral's-

• cleavage and fracture

• hardness and color

• luster and density

• streak and magnetism

A student was given an unknown mineral sample and told the mineral's hardness is approximately 3. This sample could only be what two minerals?

• Bornite or Geothite

• Hematite or Geothite

• Biotite or Bornite

• Graphite or Biotite

Tags

NGSS.MS-PS1-1

What is a method of identification that involves only visual observations of the mineral?

• Density

• Hardness

• Melting Point

• Luster

Which of the following terms is NOT used to describe luster?

• Pearly

• Metallic

• Glassy

• Beautiful

All of the following are physical properties used in mineral identification, except-

• hardness

• color

• streak

• length

Which statement most correctly describes minerals?

• Minerals can be made of either elements or compounds.

• Minerals are organic solids.

• Water is a mineral.

• Some minerals are man-made.

Tags

NGSS.MS-PS1-1