Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Cleavage |
Tendency to split along flat surface. |
|
|
Fracture |
Tendency to break without cleavage. |
|
|
Streak; how to find it |
The color of the powdered mineral left behind on an unglazed ceramic tile; Scratch the mineral against an unglazed ceramic tile. |
|
|
Luster |
How a fresh mineral surface reflects light. |
|
|
Types of luster |
Metallic, Sub-Metallic, and Non-Metallic. |
|
|
Hardness |
Resistance to being scratched. |
|
|
Plutonic |
Intrusive |
|
|
Intrusive |
Plutonic |
|
|
Volcanic |
Extrusive |
|
|
Extrusive |
Volcanic |
|
|
Plutonic Formation |
Rock cooling time is very long due to slow cooling rate. Crystals grow to be large because they have a longer amount of time to grow. |
|
|
Volcanic Formation |
Rock cooling time is very short due to fast cooling rate. Crystals grow small because they have a short amount of time to grow. |
|
|
Cooling time V.S. Cooling rate |
As rate decreases, time increases. |
|
|
How do sedimentary rocks form? |
The accumulation and lithification of sediments. |
|
|
Secondary sedimentary features |
Stratification and fossils. |
|
|
Metamorphic rock textures |
Foliated and Non-foliated. |
|
|
Two types of foliation |
Bonding and mineral alignment. |
|
|
SILICATES (GEMSTONES) |
Quartz, Plagioclase, Olivine. |
|
|
SILICATES (NON-GEMSTONE) |
Plagioclase, Mica |
|
|
OXIDES |
Magnetite, Corundum, Hematite. |
|
|
SULFIDES |
Bornite, Pyrite, Galena.
|
|
|
CARBONATES |
Azurite, Calcite.
|
|
|
SULFATES |
Barite, Celestite, Gypsum. |
|
|
HALIDES |
Fluorite, Halite.
|
|
|
FLOURESCENT MINERALS |
Wollastonite, Calcite, Fluorite. |
|
|
Why are minerals and rocks used the way they are. |
Minerals and rocks are used the way they are because they benefit us in our everyday life with their helpful properties. |
