Geology 2 Flashcards
Mineral
Naturally Occuring
Inorganic
Soil
Define chemical structure
About 4000 minerals
Quartz Biotite Feldspar
Rock
An aggregate of minerals
Granite
Muscovite (Color)
White to Colorless
Horneblende (Color)
Black
Augite (Color)
Black
Oivine (Color)
Green
Rose Quartz (Color)
Pink, has titanium
Amethyst Quartz (Color)
Purple, has iron in it
Flourite (Color)
Varies
Sulfur (Color)
Yellow
Hematite (Streak)
Redish Brown
Quartz (Streak)
No Streak
Metallic Luster
Galena, Pyrite, Magnetite
Glassy Luster
Quartz, Selenite Gypsum
Earthy - Dull Luster
Kaolinite, Hematite
Resinous - Waxy Luster
Sphalerite, Sulfur
Silky Luster
Satin Spar Gypsum
Pearly
Opal
Hardness
Talc
Gypsum
Calcite
Flourite
Opalite
Feldspar
Quartz
Topaz
Corundum
Diamond
1-2 Hardness
If you can scratch it with your nail
3 Hardness
if it will NOT scratch a copper penny, if it does scratch move on
4-5 Hardness
if a nail scratches it, if the nail doest move on
Greater than 6
if it scratches glass
Halite Shape
Cubic
Galena Shape
Cubic
Calcite Shape
Cubic (mombus)
Garnet Shape
12 sided
Cleavage
Ablity to split along certain directions
1-D
Muskavite and Biotite
2-D
Feldspar, augite, horneblende
3-D
Calcite, Halite
4-D
Flourite and Diamond
6-D
Sphalerite
Fracture
when a mineral shatters or breask
Conchoidal
Quartz, Flint, Chert
HAckley
Copper
Spintery
Serpentine, Satin Spar Gypsum
Uneven
Horneblende
Specific Gravity
Ratio of th emass of an object to the mass of an equal voulme of water
Quartz, Feldspark. Calcite and Talc SPECIFIC GRAVITY
less than 3
Hematite and MAgneite SP
5
Gold SP
19.3
Halite Taste
Salty
Sylvite Taste
Bitter Salt
Gold malleable
Easy
Talc Feel
Soapy
Graphite Feel
Greasy
Magnetic
Magnetitie
Smell
Smell
Optical Properties
Calcite
Fizzles in HCL
Calcite
Oxygen %
46.6
Silicon %
27.7
Aluminum %
8.1
Iron %
5.0
Calcium %
3.6
Sodium %
2.8
Potassium %
2.6
Magneisum %
2.1
OTHERS %
1.7
Silicates
Quartz
Feldspar
MiCaS
Hornblende
Augite
Olivine
Halides
Halite Flourite Slyvite
Sulfates
Gypsum Anhydrite Barite
Sulfides
Galena, Sphalerite, Pyrite, Chalopyite, Cinnibor
Qides
Hematite, Magnetite, CorundumNa
Native Elements
Gold, Copper, diamonds, sulfur, silver