RockVault
Halite

Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)

cubiccommonHalides

Halite

NaCl

This image displays a cluster of colorless to white halite crystals, exhibiting well-defined cubic forms and a vitreous luster, characteristic of rock salt.

Halite Physical Properties

Mohs Hardness

2.5

Crystal System

cubic

Luster

vitreous

Streak Color

white

Cleavage

perfect cubic (3 directions at 90 degrees)

Fracture

conchoidal

Specific Gravity

2.16

Colors

colorless, white, pink, blue, yellow, red, grey

Transparency

transparent

Type Locality

Wieliczka Mine, Wieliczka, Małopolskie, Poland

Mineral Group

Halides

Uses

food seasoning, de-icing agent, chemical industry, water softening, preservation, collector specimens

Associated Minerals

gypsum, anhydrite, sylvite, carnallite, polyhalite, clay minerals

Rarity

common

Geological Context

Halite is an evaporite mineral, forming primarily from the evaporation of saline water bodies like seas or salt lakes, leading to extensive sedimentary deposits in arid environments.