| Sample # |
4 |
| Mineral
Name |
MASSIVE QUARTZ |
| Chemical Composition |
SiO2 |
| Luster |
Vitreous |
| Color(s) |
Variable
(clear, milky, white purple, smokey, pink) |
| Streak Color |
None |
| Specifc Gravity |
2.7 |
| Habit |
Massive |
| Cleavage/Fracture |
None/ conchoidal |
| Hardness |
7 |
| Diagnostic Feature(s) | Conchoidal
fracture, scratches glass |