Warm up Questions: Minerals

What are the two main types of luster?

• Metallic and nonmetallic

• glassy and transparent

• shiny and opaque

When minerals combine, they form different, ​ (a)   that make up the Earth's crust.

• rocks
• glaciers
• elements

Tags

NGSS.MS-ESS2-1

Which of these minerals would most likely be valued as gem and used in jewelry?

• Olivine, a green or gray mineral with a hardness rating of 6.5

• Gypsum, a pink or white mineral with a hardness of 2

• Galena, a metallic silver mineral with a hardness rating of 2.5

The geometric shape of a mineral that reflects its internal crystalline arrangement of atoms is ​ (a)  

• mineral crystal
• luster
• Mohs Hardness Scale

Two minerals of the same color will always have the same streak color.

• True

• False

Quartz is number 7 on the Mohs Hardness Scale. Apatite is number 5. A student has a mineral sample that scratches apatite, but quartz scratches the sample. What is the mineral's most likely hardness?

• 2

• 10

• 6

Which technique would a student use with the Mohs Hardness Scale?

• Shine light on a mineral

• Scratch a mineral

• Get a mineral wet

Minerals are inorganic. What does this mean?

• Minerals breathe air.

• Minerals don't have the chemical and structural characteristics of living things.

• Minerals form the Earth's Lithosphere.

Glassy, shiny, opaque, dull. These are words that can be used to describe a mineral's ​ (a)  

• luster.
• hardness.
• streak.