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Glauconite
Glauconite
Mineral Properties and Uses
Physical Properties of Glauconite |
| Uses |
fertilizer, soil amendment |
| Color |
green, blue green |
| Streak |
dull green |
| Luster |
earthy to dull |
| Diaphaneity |
transparent to translucent |
| Cleavage |
perfect |
| Mohs Hardness |
2 |
| Specific Gravity |
2.4 - 3.0 |
| Distinguishing Characteristics |
color |
| Crystal System |
monoclinic |
| This is glauconite in sandstone from Afton, Minnesota. Specimen is approximately 3-1/2 inches (8.9 centimeters) across. |
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| Glauconite, or greensand, from Birmingham, New Jersey. These specimens are small particles 1 to 2 millimeters across. |
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