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Mineral =
Basic Minerals and Properties
17
Geology
09/11/2009

Additional Geology Flashcards

 


 

Cards

Term

Streak=White Cleavage=3 Directions not at

Hardness=3 90 degrees

Luster=non-maetallic-glassy

Reacts to HCL

 

Definition
[image]

Calcite
Term

Streak=None

Hardness=7

Cleavage=None with Conchoidal Fracture

Luster=non-metallic-glassy

 

Definition
[image]

Quartz
Term

Color=Deep Reddish Purple (no streak)

Hardness=8

Cleavage=None with Conchoidal Fracture

 

 

Definition
[image]

Garnet
Term

Color=Black with Greenish Black Streak

Hardness=6

Cleavage=2 not at 90

Luster=nonmetallic-glassy

Definition
[image]

Amphibole
Term

Color=Black with greenish black streak

Hardness=6

Cleavage=2 that meet at 90

Luster=nonmetallic-glassy

Definition
[image]

Pyroxene
Term

Color=Olive Green no streak

Hardness=6

Cleavage=None with Conchoidal fracture

Luster= nonmetallic-glassy

 

Definition
[image]

Olivine
Term

Color=Silvery or Golden with thick sheets white streak

Hardness=3

Cleavage= one point of cleavage

Luster=nonmetallic-glassy

 

Definition
[image]

Muscovite Mica
Term

Color=Brown or dark green brownish greenish streak

Hardness=2

Cleavage=1

Luster=nonmetallic-glassy

 

 

Definition
[image]

Biotite Mica
Term

Color-Pinkish No Streak

Hardness-6

Cleavage-2 at 90

Luster-nonmetallic-glassy

Definition
[image]

Potassium (K) Feldspar
Term

Color-Whitish

 

Hardness-6

Cleavage-2 at 90

Luster-nonmetallic-glassy

 

Definition
[image]

Sodium (Na) Feldspar
Term

Color-Dark Gray

 

Hardness-6

Cleavage-2 at 90

Luster-nonmetallic-glassy

 

Definition
[image]

Calcium(Ca) Feldspar
Term

Color-Many Colors White Streak

Hardness-1

Cleavage-1 poor cleavage

Luster-nonmetallic pearly

Definition
[image]

Talc
Term

Color-Brass Yellow Dark Streak

Hardness-about 6

Cleavage-none Conchoidal Fracture

Luster-metallic

Definition
[image]

Pyrite
Term

Color-Green brass yellow with Dark streak

Hardness-4

Cleavage-None

Luster-metallic

Definition
[image]

Chalcopyrite
Term

Color-Brownish with yellow streak

Hardness-3.5-4

Cleavage-Many

Luster-metallic-nonmetallic

 

Definition
[image]

Sphalerite
Term

Color-Dark Gray a dark streak

Hardness-5-6

Cleavage-3 at 90

Luster-Metallic

Definition
[image]

Galena
Term

Color-Red,Black,Silver Brown Streak

Hardness-5-6

Cleavage-None

Luster-Metallic

Definition
[image]

Hematite