Mineral Definition
Is water a mineral? Why not?
It is not a solid
What property describes how light reflects off a mineral
Luster
What is the common name for Halite
Salt
Many crystals are formed when this cools into rock?
Lava/magma
What are the five things something needs to be defined as a mineral?
Naturally Occuring
Solid
Inorganic
Crystalline Structure
Definite Chemical Composition
What is it called when a mineral does not break along flat surfaces?
Fracture
What is drywall mostly made of
Gypsum
Salt crystals form through this process when they are dissolved in water?
Evaporation
What is the definition of a solid?
Definiite shape, does not take the shape of it's container
If a mineral CAN NOT be scratched by a steel file what hardness must it be between
6.5 and 10
What is the hardness of a fingernail, copper penny, glass and a steel file?
2.5,3.5,5.5,6.5
Describe how cooling rate effects the size of the crystals formed?
Slower = bigger crystals
Faster = Smaller crystals
Is coal a mineral? Why not?
It is organic
What is the scale we use to determine hardness
Mohs Hardness Scale
What is the mineral that was mistaken for gold, both its colloqueal (everyday name) and scientific name
pyrite, fools gold
What is the process called when existing minerals are changed by heat and pressure to create new minerals/rocks
Metamphorism
What is the definition of crystalline?
Repeating shape or structure
What is it called when a mineral glows under UV light
What is quartz and talc used for?
Glass/electronics, baby powder
The process of lava cooling and making minerals?
crystallization