Halite

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Halite
Selpologne.jpg
Halite frae the Wieliczka salt mine, Małopolskie, Poland
General
Category Halide meeneral
Formula
(repeatin unit)
NaCl
Strunz clessification 03.AA.20
Creestal seestem Cubic
Space group Isometric hexoctahedral 4/m 3 2/m
Unit cell a = 5.6404(1) Å; Z = 4
Identification
Formula mass 58.433 g/mol
Colour Colourless or white; can be blae, purpie, reid, pink, yellae, orange, or gray
Creestal habit Predominantly cubes an in massive sedimentary beds, but an aa granular, fibrous an compact
Cleavage Perfect {001}, three directions cubic
Fractur Conchoidal
Tenacity Brickle
Mohs scale haurdness 2 - 2.5
Skinkle Vitreous
Streak White
Diaphaneity Skyre
Speceefic gravity 2.17
Optical properties Isotropic
Refractive index n = 1.544
Solubility Watter soluble
Ither chairacteristics Sauty gust, Fluorescent
References [1][2][3]

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.

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