Flashcards in Mineral Test Deck (36):
Forms in tear shaped pegmatites in the presence of hot fluids
Forms in metamorphic rock
Forms when a body of salt water evaporates
Forms from materials dissolved in water that eventually crystallize
Suppose you see a miner working in an open pit. What kind of mining is he doing and what minerals might he be mining?
Surface Mining - copper, bauxite, or aluminum
What are common uses of chromium?
Making stainless steel or cast iron
The method commonly used to mine diamonds is called ________. Why?
Deep Mining - because you have to dig deep within the earth to get to the minerals
Used to make toothpaste
Diamond or copper penny
Used to make medicine or batteries
Used to make fireworks
Used to make aircraft parts and sand paper
Used to make fertilizer
Contain only one element
Minerals are commonly classified by __________ composition.
What is the mineral found in the brain of fish that gives them a sense of direction?
Silicate minerals contain these 2 elements - the 2 most common elements in the earth's crust
Silicon and oxygen
True or false - the arrangement of crystals determine its shape
True or false - the arrangement of atoms in a crystal is determined by the atoms that make up the mineral
True or false - a crystalline structure is always geometric
True or false - crystals are classified according to their mineral content
Name 2 characteristics of a mineral
1) It is non living material
2) it has a repeating inner structure
Smallest part of an element that has all the properties of that element
Substance that cannot be chemically broken down into a simpler form
Formed when the atoms of 2 or more elements bond together chemically
Solid geometric form of a mineral produced by a repeating pattern of atoms
Crystallizes out of ground water that has been heated by magma
Mineral crystals that are attractive and rare are called _______.
Suppose you had an airplane factory and you needed more beryllium. Which mineral would you need to mine?
What is the process that helps reduce the harmful effect of mining?
What are 2 problems with reclamation?
1) it is expensive
2) it is time consuming
How can we reduce out need for mineral ore?
We can reduce our need for mineral ore by recycling.
Name 3 minerals that form in metamorphic rocks
Calcite, garnet, granite
A mineral deposit large enough and pure enough to be mined for profit.