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Nepheline
Nepheline
Mineral Properties and Uses
Physical Properties of Nepheline |
| Uses |
industrial use, glass industry. |
| Color |
colorless, white, yellowish, brownish red, greenish |
| Streak |
white |
| Luster |
greasy to vitreous |
| Diaphaneity |
transparent to translucent |
| Cleavage |
Poor |
| Mohs Hardness |
5.5 - 6 |
| Specific Gravity |
2.6 - 2.7 |
| Distinguishing Characteristics |
greasy luster, poor cleavage |
| Crystal System |
hexagonal |
| Nepheline from Bancroft, Ontario, Canada. Specimen is approximately 4 inches (10 centimeters) across. |
| Nepheline cancrinite syenite from Litchfield, Maine. Specimen is approximately 4 inches (10 centimeters) across. |
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| Nepheline from Dungannon Township, Ontario, Canada. Specimen is approximately 3 inches (7.6 centimeters) across. |
| Nepheline from Dungannon Township, Ontario, Canada. Specimen is approximately 3 inches (7.6 centimeters) across. |
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