Rocks and minerals

Which property is least reliable when identifying a mineral?

• Color

• Luster

• Streak

• Hardness

What are the 2 main subgroups of luster?

• Shiny and Pearly

• Submetallic and Nonmetallic

• Metallic and Nonmetallic

• Waxy and Dull

What is the softest mineral on the Moh’s scale?

• Calcite

• Quartz

• Talc

• Diamond

What is the hardest mineral on the Moh’s scale?

• Calcite

• Quartz

• Talc

• Diamond

What is the color of a mineral in powdered form?

• Density

• Color

• Streak

• Hardness

This is the way a mineral breaks along flat surfaces

• Fracture

• Split

• Cleavage

• Cubic

This is the way a mineral breaks along curved or irregular surfaces.

• Fracture

• Split

• Cleavage

• Cubic

A mineral can only be a __________.

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

What is the best description of a mineral?

• Naturally occurring, inorganic, solid, with a definite chemical composition , and a crystal structure

• Naturally occurring, organic, solid, with a definite chemical composition , and a crystal structure

• Man- made, inorganic, solid, with a definite chemical composition , and a crystal structure

• Naturally occurring, inorganic, liquid, with a definite chemical composition , and a crystal structure

Tags

NGSS.MS-PS1-1

Igneous rocks are formed near ____________________________.

• Lakes

• Glaciers

• Volcanoes

• Floodplains