15 terms

Minerals

STUDY
PLAY

Terms in this set (...)

cleavage
when a mineral splits or breaks easily along flat surfaces
fracture
when a mineral splits or breaks with jagged edges - like glass with curved like surfaces
Moh's Hardness Scale
A scale ranking minerals from softest to hardest
Talc
softest mineral (can be scratched with a fingernail)
Diamond
hardest mineral (used in drill tips)
luster
the way a mineral reflects light
streak
the color of a mineral's powder; can be tested by scratching along a porcelain tile
hardness
A mineral's resistance to being scratched.
inorganic
does not come from living things
Characteristics of minerals
naturally occurring, inorganic, solid, crystal structure, definite chemical composition
naturally occurring
found in nature
crystal structure
regular repeating pattern
Iron Pyrites
Another name for 'fools gold'
alloy
a solid mixture of two or more metals
ore
Rocks with economically(money) useful materials in them that are mined for profit (money)
YOU MIGHT ALSO LIKE...

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com.
Click to see the original works with their full license.