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Related Flashcards
Cards In This Set
| Front | Back |
|
Hornblende
|
 Black to green, 2-D not at right angles (do not confuse with augite) |
|
Kaolinite
|
 Looks like chalk, no HCI reaction |
|
Biotite
|
 Black, elastic, 1-D, perfect cleavage |
|
Chlorite
|
 Greenish, flexible, 1-D (look for small flakes) |
|
Halite
|
USGOV.jpg) Transparent, soft, 3-D perfect (cubic) |
|
Flourite
|
 Soft, 4-D |
|
Galena
|
 Metallic, hi s.g., 3-D perfect (cubic) |
|
Muscovite
|
 Colorless, silvery, elastic, 1-D perfect cleavage |
|
Chalcopyrite
|
 Metallic, yellowish, soft, no cubes |
|
Sphalerite
|
 6-D, yellowish where damaged, resinous |
|
Quartz
|
 Transparent, translucent, hard, no cleavage |
|
Augite
|
.jpg) Green to black, 2-D at right angles |
|
Olivine
|
 Green and glassy aggregates, no cleavage |
|
Pyrite
|
 Metallic, yellowish, hard |
|
Limonite
|
 Earthy, yellowish-brown to orange streak is diagnostic |
