Hardness
Cleavage
Streak
Luster
Mineral
100
What is the definition of hardness
The resistance of a mineral being scratched.
100
What is cleavage?
When the mineral brakes into smooth surfaces
100
What does streak mean?
A mineral in powder form
100
What is Luster
Luster is how much light goes into a mineral
100
What is a mineral?
A mineral is an inorganic solid
200
The mineral with the hardness of 1 (the lowest) is _____
Talc
200
What is a fracture?
It's when a mineral breaks and forms uneven surfaces
200
Nonmetallic produce mostly what color?
a white streak
200
What is a word to describe luster
waxy, silky, pearly, and vitreous
200
What kind of people study minerals?
They are called mineralogists
300
The hardest mineral is ____
Diamond
300
The ____ or ____ and their alignment can effect their cleavage.
Atoms or Ions
300
Streak is related to ____
Color
300
Name a metal that has luster
Copper, silver, gold all reflect light
300
True or False: Crystallization is a process that minerals dissolve into a liquid and form cubic shapes.
False: Crystallization makes the minerals into crystal shapes
400
Quarts has a hardness of what number?
7
400
What is the origin of the word cleavage?
It comes from the word cleofan which means split, or seprite.
400
Since there are two kinds of Hematite, what color is the streaks?
They are both reddish brown
400
The mineral with the most luster is what?
Diamond
400
Fluorescence has the ability to ___ when it exposed to violet light
grow
500
Quartz will scratch ____
feldspar, calcite and talc
500
What shape would galena if it broke?
Cubic
500
What is the formula for hematite?
Fe2O3
500
Dull is a good word to describe another word related to luster. What is the word?
Nonmetallic
500
The variety of the mineral tourmaline has a nickname of _____
Watermelon
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