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; an aa blue, 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 Brittle
Mohs scale hairdness 2 - 2.5
Luster Vitreous
Streak White
Diaphaneity Transparent
Specific gravity 2.17
Optical properties Isotropic
Refractive index n = 1.544
Solubility Watter soluble
Ither characteristics Sauty flavor, Fluorescent
References [1][2][3]

Halite /ˈhælt/, commonly kent as rock saut, is the mineral furm o sodium chloride (NaCl). Halite furms isometric crystals. The mineral is typically colourless or white, but mey an aa be licht blue, dark blue, purpie, pink, reid, orange, yellae or gray dependin on the amoont an type o impurities. It commonly occurs wi ither evaporite deposit minerals such as several o the sulfates, halides, an borates.

References[eedit | eedit soorce]