Citizendia

Nitratine, also known as cubic niter (UK: nitre), soda niter or Chile saltpeter (UK: saltpetre), is a mineral, the naturally occurring form of sodium nitrate, NaNO3. Niter (US or nitre (UK is the mineral form of Potassium nitrate, KNO3 also known as saltpeter (US or saltpetre (UK Sodium nitrate is the Chemical compound with the formula NaNO3 Nitratine crystallizes in the trigonal system, but rarely occurs as well formed crystals. In Crystallography, the rhombohedral (or trigonal) Crystal system is one of the seven lattice point groups named after the two-dimensional It is isostructural with calcite. Calcite is a carbonate mineral and the most stable polymorph of Calcium carbonate ( Ca[[carbon C]] O 3 The typical form is as coatings of white, grey to yellowish brown masses. It is quite soft and light with a Mohs hardness of 1. The Mohs scale of mineral hardness characterizes the scratch resistance of various Minerals through the ability of a harder material to scratch a softer material 5 to 2 and a specific gravity of 2. Specific gravity is defined as the ratio of the Density of a given solid or liquid substance to the density of water at a specific temperature and pressure typically 24 to 2. 29. Its refractive indices are nω=1. The refractive index (or index of Refraction) of a medium is a measure for how much the speed of light (or other waves such as sound waves is reduced inside the medium 330 - 1. 336 and nε=1. 580 - 1. 587. The rare crystals when found typically have the scalenohedral form of the calcite structure. Calcite is a carbonate mineral and the most stable polymorph of Calcium carbonate ( Ca[[carbon C]] O 3

It is found only as an efflorescence in very dry environments. It is very soluble in water such that it is deliquescent and will absorb water out of the air and turn into a puddle of sodium nitrate solution when exposed to humid air. Hygroscopy is the ability of a substance to attract Water Molecules from the surrounding environment through either absorption or Adsorption

It has been known since 1845 from occurrences in the Confidence Hills, southern Death Valley, California and the Atacama desert, Chile. Death Valley is the lowest driest and hottest Valley in the United States. California ( is a US state on the West Coast of the United States, along the Pacific Ocean. Atacama redirects here for the political-administrative region of Chile, see Atacama Region. Chile, officially the Republic of Chile ( Spanish:) is a country in South America occupying a long and narrow Coastal strip wedged between the

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