Halite (/ˈhaləit/), commonly kent as rock saut, is the meeneral furm o sodium chloride (NaCl). Halite furms isometric crystals. The mineral is teepically colourless or white, but mey be licht blae an aa, mirk blae, purpie, pink, reid, orange, yellae or gray dependin on the amoont an teep o impurities. It commonly occurs wi ither evaporite deposit meenerals lik several o the sulfates, halides, an borates.
Quick facts General, Category ...
| Halite |
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 Halite frae the Wieliczka salt mine, Małopolskie, Poland |
| General |
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| Category | Halide meeneral |
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Formula
(repeatin unit) | NaCl |
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| Strunz clessification | 03.AA.20 |
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| Creestal seestem | Cubic |
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| Space group | Isometric hexoctahedral 4/m 3 2/m |
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| Unit cell | a = 5.6404(1) Å; Z = 4 |
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| Identification |
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| Formula mass | 58.433 g/mol |
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| Colour | Colourless or white; can be blae, purpie, reid, pink, yellae, orange, or gray |
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| Creestal habit | Predominantly cubes an in massive sedimentary beds, but an aa granular, fibrous an compact |
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| Cleavage | Perfect {001}, three directions cubic |
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| Fractur | Conchoidal |
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| Tenacity | Brickle |
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| Mohs scale haurdness | 2 - 2.5 |
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| Skinkle | Vitreous |
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| Streak | White |
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| Diaphaneity | Skyre |
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| Speceefic gravity | 2.17 |
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| Optical properties | Isotropic |
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| Refractive index | n = 1.544 |
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| Solubility | Watter soluble |
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| Ither chairacteristics | Sauty gust, Fluorescent |
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| References | [1][2][3] |
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