Category 1
________ Mining exposes a near-surface rock layer.
What is Strip Mining.
Minerals can be inorganic or ____________.
What is nonliving.
The streak is the color of crushed mineral _______.
Cleavage is the process on how a mineral _______ along one or more crystal planes.
What is breaks.
____________ is an extreme form of surface mining in which the entire mountain peaks are exploded and removed to gather the resource within.
What is Mountaintop Removal
Minerals can be characterized by 2 properties. Name those properties.
What is physical and chemical.
Mohs Scale of Hardness was discovered by a German ________ named Friedrich Mohs.
What is Geologist.
Fractures occur when a mineral breaks _______ or not along a cleavage plane.
What is irregularly.
___________ and quarrying carves away at surface or shallow deposits.
Open-pit Mining.
Mohs Scale of Hardness is based on a scale from ________ (Hint: it's a number scale).
What is 1-10
Minerals are _______ occurring.
What is naturally.
This fracture resembles a semicircular shell with a curved surface.
What is conchoidal.
The purpose of mining is to dig into the ground to __________ and remove the valuable deposits like coal.
What is expose.
Sapphire gets its ______ color from traces of iron and titanium.
What is blue
Hardness is a measure of a minerals _______ to abrasion.
What is resistance.
This fracture produces a long, fibrous surface.
What is splintery.
True or false: minerals existed on Earth way before living things.
What is true.
Ruby's gets its color due to its chromium ________
What is impurity.
A mineral can scratch all minerals that are lower on the scale, and it will be ___________ by all minerals that are higher on the scale.
What is scratched.
This fracture resembles a jagged surface, similar to rough metal.
What is hackly.