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

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

http://www.google.com/imgres?imgurl=http://upload.wikimedia.org/wikipedia/commons/1/1e/Silicate-tetrahedron-3D-balls.png&imgrefurl=http://commons.wikimedia.org/wiki/File:Silicate-tetrahedron-3D-balls.png&usg=__JK4POGhc4OZ2nAYKzUM5NVn8S-4=&h=1079&w=1100&sz=126&hl=en&start=12&sig2=HIKExWYZoNYRkTPk1CJZMA&zoom=1&um=1&itbs=1&tbnid=l50vKgY8m2ck7M:&tbnh=147&tbnw=150&prev=/images%3Fq%3Dsilicate%2Btetrahedron%26um%3D1%26hl%3Den%26lr%3D%26safe%3Dactive%26tbs%3Disch:1&ei=5sRuTOG5DsL88AbNo_yBCw

Discovery Channel : Salt

Notes from Video : ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________