Term
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Definition
Color: Brass Yellow
Streak: Greenish-Black
Cubic Crystals
Metallic
"Fools Gold" |
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Term
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Definition
Non-Metallic
Dark Green/Black
90º Cleavage
Harder than Glass |
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Term
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Definition
60º & 120º Cleavage
Dark Green/Black/Brown
Harder than Glass |
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Term
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Definition
Perfect Cleavage in 1 direction
White/Transparent
Softer than Glass (H=2) |
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Term
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Definition
Perfect cleavage in 1 direction
Softer than Glass
Non-Metallic
"Book of Mica" |
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Term
|
Definition
Cleavage in 3 directions (right angles)
Softer than Glass
Rock Salt
Colorless/White |
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Term
|
Definition
Harder than Glass
Transparent
No Cleavage (fracture) |
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Term
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Definition
Cleavage in 2 directions (right angles)
Pearly luster
Harder than Glass |
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Term
|
Definition
Green to Dark Green
Cleavage in 1 direction
Softer than glass |
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Term
|
Definition
Softer than Glass
Brown or Black
Cleavage in 1 direction
Non-Metallic |
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Term
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Definition
Red, Brown, or Yellow
Glassy Luster
Concoidal Fracture
Harder than Glass |
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Term
|
Definition
Concoidal Fracture
Olive Green
Glassy Luster
Harder than Glass |
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Term
|
Definition
Black Streak
Metallic
Magnetic |
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Term
|
Definition
(lead)
gray streak
perfect cubic cleavage
metallic |
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Term
|
Definition
1) Crystal Form
2) Hardness
3) Cleavage
4) Specific Gravity
5) Color
6) Luster
7) Streak |
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Term
|
Definition
Crystalized Solid
Naturally Occurring
Inorganic
Specific Composition and Physical Properties |
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Term
|
Definition
Black Streak
Dull Luster
Metallic
H=1 |
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Term
| 99% of Igneous Rocks are made of... |
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Definition
| Oxygen, Silicon, Aluminum, Calcium, Potassium, Iron, Magnesium, Sodium |
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Term
|
Definition
Dark Color
Solidify at Higher Temps
Rich in Iron, Magnesium, and Calcium |
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Term
|
Definition
Lighter Color
Solidify at Lower Temp
Rich in Silicon and Aluminum |
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Term
| Recognition of Igneous Rocks |
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Definition
Presence/absence of Quartz
Composition of Feldspar
Proportion/Kinds of Ferromagnesium Minerals |
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Term
| Temp of Crystallization of Minerals |
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Definition
600º - Sialic
1200º - Mafic |
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Term
|
Definition
| Crystals so small, a microscope is required |
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Term
| Porphyritic-Phaneric Texture |
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Definition
2 crystals that can be seen by the naked eye
Smaller crystals surround larger crystals |
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Term
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Definition
| Crystals are large enough to be seen by the naked eye |
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Term
|
Definition
Similar to Glass
No Crystals |
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Term
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Definition
| Consists of Ejected Igneous Material |
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