Chemistry of minerals & rocks

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

• chemical composition
• crystalline structure
• natural
• all of the above

Dull, silky, waxy, pearly, and earthy are terms that best describe which property of minerals?

• luster
• color
• streak
• cleavage

The definition of a mineral does NOT include:

• crystalline structure
• solid
• organic
• natural

_________ is how easily something can be scratched.

• specific gravity
• luster
• hardness

___________ describes how the mineral reflects light.

• cleavage
• magnetic
• luster

Minerals are identified by observing their ___________.

• physical properties
• name
• location

If the mineral's chemical formula is BaSO₄ which mineral group is the mineral in? 

• silicates
• carbonates
• halides
• sulfates

The mineral's chemical formula consists of a metal combined with a nonmetal to make a salt. 

• silicates
• carbonates
• sulfides
• halides

What mineral groups is the most common?

• silicates
• carbonates
• oxides
• halides

What elements are in silicate minerals?

• water
• carbon and hydrogen
• organic and inorganic
• silicon and oxygen