minerals. mineral – definition (5) __________________
TRANSCRIPT
Minerals
Mineral – definition (5)
__________________ __________________ __________________ __________________ __________________
Mineral Identification
1. _____________ 2. ____________ 3. _____________ 4. ______________ 5. _____________
Hardness Is measured by how _________________. Geologists order the hardness by…1. Scratched by a ___________2. Scratched by a ___________3. Scratched by a _________ 4. Scratched by a _____________
These are not all of the tools geologists use, but it will work for our
experiment.
Mineral Identification Hardness – ____________________________
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Mineral Systems
If space is not restricted, a mineral will exhibit a crystal pattern with a definite number of sides and specific angles.
Mineral Identification
______ – the color of the powdered form of a mineral
Mineral Identification
Cleavage (flat surfaces) or Fracture (no flat surfaces) – the way a mineral __________
Mineral Identification
Fracture: ___________________ Ex. Quartz or obsidian
Luster_____________________________ ____________________________. There are two types of luster,
________looks like polished metal.
__________ does not look like polished metal. Nonmetallic can be shiny or dull.
Specific Gravity of a Mineral
Review
A mineral can be many different colors. Below is Mica.
Discovery Channel : Minerals
Notes from Video for Quiz : ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
COMMON MINERALS IN THE EARTH
QUARTZ (Silica)
SiO2
CORUNDUM (Alumina) Al2O3
HEMATITE
Fe2O3
CALCITE
CaCO3
DOLOMITE
CaMg(CO3)2
GYPSUM
CaSO4
FLUORITE
CaF2
PYRITE
FeS2
OLIVINE (Mg,Fe)2SiO4
PYROXENE (Mg,Fe)SiO3
AMPHIBOLE
(Ca2Mg5)Si8O22(OH)2
FELDSPARS
Albite NaAlSi3O8
Orthoclase KAlSi3O8
Anorthite CaAl2Si2O8
KAOLINITE Al2Si2O5(OH)4
Discovery Channel : Salt
Notes from Video : ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________