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- Crystal form - isometric, cubic
- Density or specific gravity - 2.165 (135 lb/cu. Ft)
- Melting point - 800.8 degrees Celsius (1,473.4 degrees Fahrenheit)
- Hardness (Moh's Scale) - 2.5
- Common Salt - sodium chloride - is the chemical compound NaCl. It occurs in nature as the mineral Halite and as mixed evaporates in salt lakes
- Seawater contains an average of 2.6% (by weight) NaCl, or 26 million metric tons per cubic kilometer (120 million short tons per cubic mile)
- Chemically, salt is 39.33% sodium and 60.663% elemental chlorine. The atomic weight of elemental sodium is 22.989768 and that of chlorine is 35.4527
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