Post on 08-Nov-2014
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CrystalsMineral
PropertiesI
Mineral Properties
IIMining
Minerals Misc.
Crystal structure
What is hexagonal?
Crystal structure
What is monoclinic?
Crystal structure
What is orthorhombic?
Crystal structure
What is triclinic?
Crystal structures
What are cubic and tetragonal?
Because of this Quartz will scratch Mica
How do you know that quartz is harder than mica?
The color left of the powder of a mineral when scratched on a
surface
What is streak?
Daily Double
!
Daily Double
You have two different minerals that look the same and are the same size. This could be used to find the identity of the mineral if you know the mass and volumes.
What is density?
The strength of the bonds between atoms
in a mineral determines this.
Does a mineral have fracture or cleavage?
The state of matter that all minerals are
found in.
What is solid
When minerals break in irregular pieces.
What is fracture?
The reason that minerals have either cleavage or fracture.
What is the strength of the bonds between the atoms?
Because of this a mineral breaks along
smooth surfaces
What is perfect cleavage?
The hardest known mineral used as a
gemstone and to make drill bits.
What are diamonds?
This is an important ore of lead.
.
What is Galena?
Surface mining in which a deep hole is
dug to reach the minerals..
What is open-pit mining?
Three types of surface mining.
What are strip mining, panning, and open-pit
mining?
This contains enough of a mineral to be mined for profit.
What is an ore?
Mining far under the Earth’s surface.
What is deep mining?
An important substance mined
locally.
What is coal?
Where the elements of rock forming minerals
are found.
What is the Earth’s crust?
This is how minerals are
grouped.
What is chemical
compostion?
Molten rock that reaches the Earth’s surface.
What is lava?
Molten rock beneath the Earth’s surface.
What is magma?
Daily Double
!
Daily Double!
Five ways that minerals form
What are:Water evaporating
Heat and pressure cause changesorganisms produce minerals
Molten rock coolswater cools
(Be able to write a paragraph explaining 3 of these)