Difference between revisions of "Halite"
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| − | + | The mineral '''Halite''' is common rock salt. | |
| − | + | {{Mineral | name=Halite | Image= | cdesc=Sodium Chloride | formula=NaCl | birefringence= | colors=Colorless, or tints of gray, yellow, red, blue | chabit=Usually the simple [[cube]], rarely [[octahedral]]; faces are commonly cavernous and develop into "[[hopper]]" crystals, | csystem=[[Isometric]] | cleavage= Perfect, three directions at 90° | dispersion= | fracture=[[Conchoidal]], [[Brittle]] | hardness=2-2 1/2 | luminescence= | luster=[[Vitreous]] || nameorigin=From the [[Greek]] ''hals'', meaning ''salt'' | optics= | pleochroism= | sgravity=2.16 |spectral= | streak=White }} | |
| − | [[ | + | =Sources= |
| + | *Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987) | ||
| + | <includeonly>[[Category:Mineral]]</includeonly> | ||
| + | <noinclude>[[Category:Template]]</noinclude> | ||
Revision as of 23:19, June 12, 2007
The mineral Halite is common rock salt.
| Halite | |
|---|---|
| Chemical name | Sodium Chloride |
| Chemical formula | NaCl |
| Identification | |
| Colors | Colorless, or tints of gray, yellow, red, blue |
| Crystal habit | Usually the simple cube, rarely octahedral; faces are commonly cavernous and develop into "hopper" crystals, |
| Crystal system | Isometric |
| Cleavage | Perfect, three directions at 90° |
| Fracture | Conchoidal, Brittle |
| Hardness | 2-2 1/2 |
| Luster | Vitreous |
| Name origin | From the Greek hals, meaning salt |
| Specific gravity | 2.16 |
| Streak | White |
Sources
- Chesterman, Charles W. The Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf: New York (1987)