What is this gemstone? 

• Ruby
• Emerald
• Obsidian
• Amethyst

This fossil is sap that has hardened over a small insect.  What is it? 

• Silver
• Amber
• Emerald
• Coal 

What mineral is salt?

• quartz
• sulfur
• halite
• calcite

Which of the following properties does the Mohs scale measure?

• Luster
• Hardness
• Density
• Streak

What mineral is used for pencils?

• Graphite
• Galena
• Magnetite
• Quartz

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition
• crystal structure
• naturally occuring
• all of the above

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

What mineral is this?

• Graphite
• Sulfur
• Quartz

What mineral is aka as "Fool's Gold"? ?

• galena
• halite
• pyrite

A mineral which contains a useful substance is call a/an?

• gem
• quarry
• ore
• rock