Unit 6a Summative Minerals Prep

A mineral is inorganic, which means that it contains

• compounds

• materials made by humans

• parts of living things

• no materials that were once part of living things.

The repeating pattern of a minerals particles forms a solid called a(an)

• crystal

• element

• compound

• rock

Tags

NGSS.MS-PS1-1

______ is the hardest known mineral.

• Talc

• Quartz

• Diamond

• Gold

Most minerals do NOT split apart evenly. Instead, they have a characteristic type of

• cleavage

• fracture

• crystal

• luster

The softest mineral on the Mohs Hardness Scale is

• quartz

• talc

• apatite

• gypsum

Shiny, metallic and pearly are terms used to describe

• streak

• color

• luster

• density

Look at the table in the picture. Which statement is true?

• Calcite is harder than apatite

• Fluorite is harder than feldspar

• Gypsum is harder than talc

• Quartz is harder than topaz

A mineral's ability to glow under ultraviolet light is called

• fluorescence

• cleavage

• fracture

• streak

What word BEST describes the material involved in a streak test?

• Powder

• Liquid

• Fracture

• Luster

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

• it's not very lustrous

• it's not very hard

• it's streak is black in color

• it has fracture