Halite

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

Halite (/ˈhaləit/), commonly kent as rock saut, is the mineral 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 type o impurities. It commonly occurs wi ither evaporite deposit minerals like several o the sulfates, halides, an borates.

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