Mirabilite Na2SO4•10H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/m. Crystals short to long prismatic, with complex form development, also crude, to 10 cm, in interlocking masses; crystalline, granular to compact massive, commonly as efflorescences. Twinning: Rare on {001} or {100}.
Outcrops of mirabilite, which is highly soluble at temperatures above 0 • C (Vavouraki and Koutsoukos, 2012), persist at the surface in the McMurdo Sound region due to extreme cold and aridity ...
Mirabilite, known as Glauber's salt, is a hydrous sodium sulfate mineral with the chemical formula Na 2 SO 4 ·10H 2 O that has the function of reducing inflammation and swelling . In China, ice pack used with mirabilite is considered efficient in reducing swelling and pain after trauma [6, 7]. Mirabilite has a much lower economic cost than …
Below this temperature, the stable phase is mirabilite (Na 2 SO 4 ·10H 2 O), and mirabilite rapidly dehydrates to thenardite at a relative humidity (RH) of < 71% (20 °C) [25] [26] [27]. Long ...
Temperature dependent structural behavior of mirabilite (Na 2 SO 4 ⋅10H 2 O) was investigated using single-crystal X-ray diffraction technique in the temperature range between 213 and 303 K. Thermal expansion of mirabilite was mainly ascribed to the expansion of Na(H 2 O) 6 octahedra constituting the ribbon structure along the c …
Mirabilite has a Raman spectrum very similar to the free sulphate anion in solution, which is probably due to the mobility of oxygen atoms within the sulphate tetrahedron. The oxygen atoms in the heptahydrate sulphate groups have no partial occupancy, and predicted peak splitting is observed in the region 400–1200 cm −1 .
Learn about the chemical formula, composition, crystal structure, physical and optical properties, and locality of mirabilite, a saline mineral of sodium sulfate decahydrate. …
Mirabilite is the deacahydrate of sodium sulfate, also known as Glauber's salt. It is soluble in water and glycerin, and can form efflorescences in monuments exposed to sulfurous …
The meaning of MIRABILITE is a mineral Na2SO4.10H2O consisting of hydrous sodium sulfate occurring as a deposit from saline lakes, playas, and springs and as an efflorescence.
Phase relations in the system Na 2 SO 4-H 2 O are shown in Fig. 1.They are mainly based on the solubility data of two stable Na 2 SO 4-bearing minerals, mirabilite and thenardite, and one metastable solid phase, Na 2 SO 4 ·7H 2 O, in water under 0.1 MPa [12], [13].Solubility relations of mirabilite are shown by the solid curve E 1 P 1, …
Preparation of mirabilite includes dissolving it in hot water, filtering it, and then putting the remainder in cold water to remove any impurities. Mirabilite is available in a variety of forms, including pills and powders. Powdered mirabilite can be mixed with hot water and applied to the skin as a type of poultice.
Sodium sulfate decahydrate—Na 2 SO 4 ·10H 2 O—is the stable phase in contact with an equilibrium mixture of Na 2 SO 4 and H 2 O at room temperature and pressure (Fig. 1); the synthetic form of the substance is referred to as Glauber's salt, after its first manufacturer (Glauber 1658); and the naturally occurring form is the mineral …
What is Glauber's Salt? Glauber's salt is the decahydrate form of sodium sulfate. It is also known as mirabilite. The chemical formula of Glauber's salt can be written as Na 2 SO 4.10H 2 O. Glauber's salt is known to be a vitreous mineral with a white or colourless appearance that is formed as an evaporite from brines containing sodium sulfate.It can …
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Mirabilite also has a variety of pharmacological effects, such as regulating intestinal flora, anti-muscle paralysis, anti-colon cancer, promoting water discharge, and analgesic. Only a few toxicological studies on mirabilite are available. External application of mirabilite can cause local skin to be flushed or itchy, and its oral ...
Rhubarb combined with mirabilite has more bactericidal action, can also remove harmful substances such as oxygen free radicals and inflammatory factors in the intestine, promote intestinal peristalsis, increase intestinal mucosal blood flow, prevent excessive growth of intestinal pathogenic bacteria, and benefit the early recovery of ...
The mirabilite signal is converted into thenardite in 74 h. After 36 h already 80% of the mirabilite is converted. The two dashed lines plotted in the graph are the peaks which are used for Fig. 6 b. Here, the signal of mirabilite is plotted versus thenardite. It seems that the thenardite and mirabilite signals are one-to-one interchangeable.
Mirabilite, also known as Glauber's salt, is a hydrous salt of sodium sulphate (Na 2 SO 4 ·10H 2 O). This is a relatively rare mineral that forms under certain conditions through the evaporation of brines rich in Na and SO 4.It is found in the sodium sulphate deposits in the Northern Great Plains of Canada, on the surface of playa lakes in Central …
"Mirabilite precipitates in the lake water, and it sort of gets washed ashore," says Mark Milligan, a geologist with the Utah Geological Survey. "You [usually] get these windrows of mirabilite.
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Mirabilite; The Processing of Mirabilitum Origin. The crystal refined from processed Glauber's salt of family Sulfates. The main ingredient is Na2SO4•10H2O. Location. Mainly in Hebei, Henan, and Shandong provinces. Harvest. Collected and refined all over the year. The actual smell and taste.
This year, 15 mirabilite mounds and terraces have formed. The fact that they are visible is a product of Utah's drought. In years with normal precipitation, the area where the formations are ...
mirabilite, a widespread sulfate mineral, hydrated sodium sulfate (Na 2 SO 4 ·10H 2 O), that forms efflorescences and crusts, particularly in arid regions. It occurs in deposits …
The improved portable mirabilite external application plaster is characterized in that 10 upper and lower lattices are sewn by a non-woven bag machine, 6 lattices are arranged on each layer, an opening is reserved on each lattice, medicine is convenient to load, 450g of mirabilite and 50g of borneol are placed into a crusher and ground into ...
It is similar to Mirabilite, a chemically similar mineral to Thenardite that, unlike Thenardite, contains water in its structure. Mirabilite is an unstable mineral, and will dehydrate and lose its water when exposed to air, thereby changing to Thenardite. These altered specimens are in fact Thenardite pseudomorphs after Mirabilite.
The crystallization of sodium sulfate decahydrate (Na 2 SO 4 ·10H 2 O, mirabilite) from supersaturated solutions was investigated using stable supersaturated …
The mirabilite microcrystals are observed to grow only until a certain size, until the surrounding salt solution concentration drops to the saturation concentration for mirabilite (Extended Data ...
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