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Halite (rock salt) is one of few materials, which have an ability to store information on absorbed dose of ionizing radiation. Not all mineral use is well known. ... and even salt or halite in food seasoning. This mineral is hydroscopic and dissolves readily in water. A particular colour is produced by reflection of some and absorption […] Physical and optical properties of halite, with pictures and videos. Differentiation of halite from similar salts: Optical properties: Isotropic; Occurrences. Halite occurs in vast beds of sedimentary evaporite minerals that result from the drying up of enclosed lakes, playas, and seas. Halite is a sodium chloride (salt) mineral, formed through the evaporation of sea water. Halite crystals display the same optical density in every direction so that the speed and orientation of linear polarized light waves are not distorted, therefore, when viewed between crossed polars, the crystals are not visible, i.e., they show "extinction". Optical Properties of Minerals: Luster, Light Transmission, Color & Streak. The luminescence properties such as signal resetting, dose response, thermal stability, have shown that halite is a suitable material for optical dating . Optical Properties of Halite : Optical Data: Isotropic, n=1.544. Colour: The colour of any object is a light dependent property- it is the appearance of the particular object in light (darkness destroys colour). Previous studies of optically stimulated luminescence (OSL) response in sodium chloride indicated coexistence of fading, inverse fading and regeneration effect using newly developed variable delay optically stimulated luminescence technique (VD-OSL). Salt beds may be hundreds of meters thick and underlie broad areas. The colour range is colourless, white, blue/purple, pink/peach/red and yellow/green. In this paper, some luminescence properties concerning dating were further explored, and the feasibility of optical dating using halite as a dosimeter was demonstrated. The energy off this crystal is cleansing, purifying and energizing on all of one’s energy fields. Physical Properties of Minerals: 1. Calculated Properties of Halite : Electron Density: Bulk Density (Electron Density)=2.07 gm/cc note: Specific Gravity of Halite =2.16 gm/cc. ADVERTISEMENTS: In this article we will discuss about the optical and physical properties of minerals.

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