Minerals science test
Mass divided by volume
How do you find an object's density?
Element
Made of a single kind of atom
Only about 100
How many mineral's are common?
About 4,000
How many mineral's have been identified?
Cleavage
Property where a mineral splits easily along flat surfaces
Streak
The color of the mineral's powder
Luster
The term used to describe how a mineral reflects light from its surface
True
True or false. A mineral with a Mohs value of 1 is talc
True
True or false. A mineral with a surface that is described as vitreous has a glassy appearance
True
True or false. A mineral's hardness is its resistance to being scratched
False
True or false. If a mineral breaks with uneven surfaces, it has cleavage
True
True or false. If a student held up a piece of Quartz and a same-sized piece of olivine, the olivine would feel heavier
False
True or false. Quartz has a Mohs value that is higher than diamond
False
True or false. The color of a mineral in powdered form is called luster
True
True or false. The kinds of atoms in a mineral and how closely those atoms are packed determine the mineral's density
True
True or false. The mineral kaolinite smells like clay
False
True or false. The way a mineral's surface reflects or absorbs light is called streak
Compound
Two or more elements combined
Porcelain
What does Quartz have the same value of?
Solid, naturally occurring, inorganic, fixed crystal structure, and element or compound
What does SNIFE stand for?
Fracture
Describes how a mineral looks when it breaks apart in an irregular way (uneven, rough, jagged surfaces)
Solid
A mineral is always a ( )