PETROGRAPHIC CHARACTERISTICS
OF MINERALS/FIBERS
| MATERIAL NAME |
|
| HABIT |
|
| COLOR AND PLEOCHROISM |
|
| APPROXIMATE
R.I. VALUE |
1.33 1.55 1.68 |
| INTERFERENCE COLORS | None Low Moderate High |
| EXTINCTION | Parallel Inclined: Angle = |
|
ADDITIONAL DESCRIPTIVE FEATURES |
|
| KEY DIAGNOSTIC FEATURES |