Optical Properties of Minerals: Luster, Light Transmission, Color & Streak. Halite is a sodium chloride (salt) mineral, formed through the evaporation of sea water. ADVERTISEMENTS: In this article we will discuss about the optical and physical properties of minerals. Optical properties: Isotropic; Occurrences. Physical Properties of Minerals: 1. Halite occurs in vast beds of sedimentary evaporite minerals that result from the drying up of enclosed lakes, playas, and seas. The energy off this crystal is cleansing, purifying and energizing on all of one’s energy fields. This mineral is hydroscopic and dissolves readily in water. A particular colour is produced by reflection of some and absorption […] Optical Properties of Halite : Optical Data: Isotropic, n=1.544. Salt beds may be hundreds of meters thick and underlie broad areas. ... and even salt or halite in food seasoning. Halite (rock salt) is one of few materials, which have an ability to store information on absorbed dose of ionizing radiation. Differentiation of halite from similar salts: Not all mineral use is well known. The luminescence properties such as signal resetting, dose response, thermal stability, have shown that halite is a suitable material for optical dating . 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". 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. Colour: The colour of any object is a light dependent property- it is the appearance of the particular object in light (darkness destroys colour). Calculated Properties of Halite : Electron Density: Bulk Density (Electron Density)=2.07 gm/cc note: Specific Gravity of Halite =2.16 gm/cc. 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). Physical and optical properties of halite, with pictures and videos.

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