Minerals. Mineral – definition (5) __________________.

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Presentation 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 – ____________________________ _________________________________________

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

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Discovery Channel : Minerals Notes from Video for Quiz : ____________________________ ________________________________________________ ____________________________________________________ ________________________________________________________ _________________________________________________________ __________________________________________________________ ________________________________________________________ _______________________________________________________ _________________________________________________________ __________________________________________________________ ________________________________________________________

COMMON MINERALS IN THE EARTH QUARTZ (Silica) SiO 2 CORUNDUM (Alumina) Al 2 O 3 HEMATITE Fe 2 O 3 CALCITE CaCO 3 DOLOMITE CaMg(CO 3 ) 2 GYPSUM CaSO 4 FLUORITE CaF 2 PYRITE FeS 2 OLIVINE (Mg,Fe) 2 SiO 4 PYROXENE (Mg,Fe)SiO 3 AMPHIBOLE (Ca 2 Mg 5 )Si 8 O 22 (OH) 2 FELDSPARS Albite NaAlSi 3 O 8 Orthoclase KAlSi 3 O 8 Anorthite CaAl 2 Si 2 O 8 KAOLINITE Al 2 Si 2 O 5 (OH) 4

Discovery Channel : Salt Notes from Video : ____________________________ ________________________________________________ ____________________________________________________ ________________________________________________________ _________________________________________________________ __________________________________________________________ ________________________________________________________ _______________________________________________________ _________________________________________________________ __________________________________________________________ ________________________________________________________