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.

Halite
Halite frae the Wieliczka salt mine, Małopolskie, Poland
General
CategoryHalide meeneral
Formula
(repeatin unit)
NaCl
Strunz clessification03.AA.20
Creestal seestemCubic
Space groupIsometric hexoctahedral 4/m 3 2/m
Unit cella = 5.6404(1) Å; Z = 4
Identification
Formula mass58.433 g/mol
ColourColourless or white; can be blae, purpie, reid, pink, yellae, orange, or gray
Creestal habitPredominantly cubes an in massive sedimentary beds, but an aa granular, fibrous an compact
CleavagePerfect {001}, three directions cubic
FracturConchoidal
TenacityBrickle
Mohs scale haurdness2 - 2.5
SkinkleVitreous
StreakWhite
DiaphaneitySkyre
Speceefic gravity2.17
Optical propertiesIsotropic
Refractive indexn = 1.544
SolubilityWatter soluble
Ither chairacteristicsSauty gust, Fluorescent
References[1][2][3]

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