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;
15 Cards in this Set
- Front
- Back
|
Potassium Feldspar |
Harder than glass, no striations |
|
|
Plagioclase Feldspar |
Parallel striations, Harder than glass, reflective cleavage, white dark grey |
|
|
Quartz |
Vitreous luster, harder than glass, no cleavage |
|
|
Halite |
Softer than glass 2.5 Hardness, 3 perfect 90° planes of cleavage, clear, salt |
|
|
Calcite |
REACTS W ACID, softer than glass,3 planes of cleavage w rhombus shape |
|
|
Muscovite |
Silvery luster, tan color, thin sheets, softer than glass |
|
|
Gypsum |
Clear, softer than glass, brittle sheets, 1 cleavage plane |
|
|
Dolomite |
Reacts slowly with acid, no cleavage, 3-4 Hardness, grey/white color, crystal or sugary texture |
|
|
Kaolinite |
White, dull luster, softer than glass, greasy or chalky |
|
|
Hematite |
Metallic luster, red brown streak, grey red or brown, no cleavage, heavy |
|
|
Hornblende |
Harder than glass, 2 cleavage planes, splintery, black to greenish grey |
|
|
Augite |
Black, dark green, harder than glass, 2 perfect cleavage directions |
|
|
Olivine |
Dark green/ yellow, harder than glass, no cleavage, dull luster, granular texture |
|
|
Biotite |
Black, softer than glass, flexible thin sheets, 1 plane of cleavage |
|
|
Chlorite |
Softer than glass, black/dark green, tiny green flakes and scales, dull to pearly luster, white streak |
