If something is not man made it is _______
naturally occurring
____ causes a mineral to break in a smooth, flat surface
cleavage
When magma cools _____, large grains are formed
slowly
From hematite and magnetite and used for cars and ships
Iron
Coal
none
If something has not ever been alive it is considered ______
inorganic
_____ test how easily a mineral scratches
hardness
when magma cools ____, small grains are formed
quickly
extracted from ilmenite and rutile and used for sport equipment
Titanium
Diamond
Mineral and Gem
solid
____ causes a mineral to break with rough jagged edges
fracture
What are two ways crystals can be formed
magma or solution
Used to produce laser light
Rubies
Mineral and Ore
What is the structure of a mineral called
crystalline
_____ shows how a mineral reflects light
luster
_____ is a mineral that can be mined at profit
ore
Used in abrasive and cutting tools
diamond
Hematite
Mineral, Gem, and Ore
what is the repeating pattern of a mineral considered (3 words)
definite chemical composition
______ _______ compares the mass of a mineral to an equal volume of water
specific gravity
The most common mineral group that forms
silicates
Used in electronics and timepieces
quartz
Graphite
Mineral and Ore