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Topic: Mirabilite

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	Mirabilite
		This is a natural occurrence of Mirabilite crystals growing in contact with a saline spring in Camp Verde, Arizona.
		The Mirabilite crystals have lost much of their water and are turning to a white powder.
		OCCURRENCE Mirabilite is found near saline springs and along saline playa lakes.
	www.gc.maricopa.edu /earthsci/imagearchive/mirabilite.htm (408 words)

	Mirabilite - MSN Encarta
		Mirabilite, also known as Glauber's salt, natural hydrous sodium sulfate (see Johann Glauber).
		Mirabilite is a white mineral that commonly occurs as efflorescent crusts.
		Do high-profile schools really provide a better education?
	encarta.msn.com /encyclopedia_762511838/Mirabilite.html (76 words)

	Mirabilite
		Accumulation of mirabilite imply several conditions : a regular and not-too-high input of external water with the possibility of evacuation of more soluble brines, low temperatures in winter, and specific conditions for mirabilite not to redissolve in summer.
		The indisputable conclusion is that deposition of mirabilite in the Tchebas “evaporating basin”asked for a long time during which, Bolchoie More stayed for many years at a level which was approximately the same as in june 2005.
		Age of the “western mirabilite” is therefore older than the Tchebas mirabilite, and it is hoped that new radiocarbon data on the west basin allow to specify its age.
	www.cig.ensmp.fr /~hydro/aral/MIR.htm (2502 words)

	Mirabilite from Michigan
		During the fall of 1916 the Mineralogical Laboratory of the University of Michigan received from Professor A. Lane of Tufts College a sample of a fibrous mineral which upon investigation proved to be the rather uncommon mineral mirabilite.
		The analysis and the ratios calculated therefrom establish conclusively that the substance under consideration is the mineral mirabilite (Na Na
		Except for its formation in large quantities in the salt lakes of the west, it is a mineral met with rather infrequently because of its great solubility and unstable character.
	www.minsocam.org /msa/collectors_corner/arc/mirabilite1.htm (464 words)

	acupuncturetoday.com (Site not responding. Last check: 2007-10-29)
		In China, mirabilite is mined in the Hebei, Henan, Shandong, Jiangsu and Anhui provinces.
		Mirabilite is used to treat a variety of conditions, including constipation, sore throat, red eyes and mouth ulcers.
		The typical dosage of mirabilite is between 10 and 15 grams, boiled in water as part of a decoction.
	www.acupuncturetoday.com /print_friendly.php?pr_file_name=http%3A%2F%2Fwww.acupuncturetoday.com%2Fherbcentral%2Fmirabilite.php (340 words)

	NationMaster - Encyclopedia: Mirabilite (Site not responding. Last check: 2007-10-29)
		Mirabilite, also known as "Glauber's salt", is a hydrous sodium sulfate mineral: Na It is a vitreous, colorless to white monoclinic mineral which forms as an evaporite from sodium sulfate bearing brines.
		Mirabilite is unstable and quickly de-hydrates in dry air, the prismatic crystals turning into a white powder (Na Mirabilite is soft with a hardness of 1.5 - 2, and has a low specific gravity of 1.49.
		Mirabilite is used as a purgative in the traditional Chinese materia medica; in Mandarin it is called máng xiāo.
	www.nationmaster.com /encyclopedia/Mirabilite (556 words)

	Mirabilite (Site not responding. Last check: 2007-10-29)
		Mirabilite whose main content is hydrated sodium sulphate, is the Crystal of the refined mirabilite from the sulphate minerals.
		mirabilite for external use is capable of clearing away heat and virulence of pathogenic organisms, and is often used in combination with borax and borneol for sore throat and canker sores, as in borneol and Borax Powder (Bing Peng San).
		For treating blood-shot eyes, dried glaruber's salt is spread on some bean curd and dissolved by steaming it together with the bean cured to obtain a liquid which is used as eye drops.
	www.healthphone.com /consump_english/encyclopedia/chinese_herbal_files/mirabilite.htm (258 words)

	SpaTherapy.com \| Mirabilite
		In China, mirabilite is mined in the Hebei, Henan, Shandong, Jiangsu and Anhui provinces.
		Mirabilite is used to treat a variety of conditions, including constipation, sore throat, red eyes and mouth ulcers.
		The typical dosage of mirabilite is between 10 and 15 grams, boiled in water as part of a decoction.
	www.spatherapy.com /herbcentral/mirabilite.php (348 words)

	Gansu province - China cities Directory, tour & trip guide for Gansu
		The quantity of ore reservation for non-ferrous metals like nickel, lead and zinc etc. occupies important position in the whole country.
		The province abounds in coal, iron, copper, sulphur, gypsum, marble and mirabilite reservation as well.
		So far as the industries are concerned, there are equipment manufacture for petroleum, chemical industry, non-ferrous metals and petrochemical industry, all of which have occupied the important position in the whole country.
	www.tour33.com /china_province/gansu.htm (285 words)

	Mirabilite (Site not responding. Last check: 2007-10-29)
		The following images of Mirabilite are of specimens grown at home in a fish tank.
		After collecting Hanksite at Trona, CA, I placed some of the poor quality crystals in a bucket.
		These Mirabilite crystal clusters show the effect of losing water from their crystal structure.
	www.gc.maricopa.edu /earthsci/imagearchive/mirabilite1.htm (75 words)

	Central Arizona Grotto Website
		A cave without a running stream or a lake.
		A route or passage that meets or intersects at another point.
		Mirabilite and epsomite are small amounts of crystallized salts that form hairlike tendrils from ceilings, walls, and floors.
	caves.org /grotto/cag2/caveterms.html (2254 words)

	China Gansu lanzhou silk road tour travel guide tour operator dunhuang< (Site not responding. Last check: 2007-10-29)
		The quantity of ore reservation for non-ferrous metals like nickel, lead and zinc etc. occupies important position in the whole country.
		The province abounds in coal, iron, copper, sulphur, gypsum, marble and mirabilite reservation as well.
		So far as the industries are concerned, there are equipment manufacture for petroleum, chemical industry, non-ferrous metals and petrochemical industry, all of which have occupied the important position in the whole country.
	www.silkroadcn.com /gansu.htm (313 words)

	Cooling process for selective salt crystallization - Patent 3977835
		A process as claimed in claim 1 in which the mixture of mirabilite, natron and borax crystallized at a temperature of from 2.degree.C to about -20.degree.C yields crystals of mirabilite which are larger than crystals of borax and natron and crystals of natron which are larger than crystals of borax.
		Although mirabilite may be obtained as the sole constituent of the artificial cooling step, the brine, as indicated, is preferably further cooled to obtain, in addition, deposition of natron and borax to yield a tertiary salt grouping and to maximize the amount of sylvite formed during solar evaporation.
		After separation of borax, the residue couple containing mirabilite and natron is subjected to the second froth flotation to recover a mirabilite float and natron residue, using as the beneficiating reagent: sulfonated alkenes, sulfonated unsaturated petroleum fractions, fatty acids and the like.
	www.freepatentsonline.com /3977835.html (2809 words)

	Mirabilite
		This is a natural occurrence of Mirabilite crystals growing in contact with a saline spring in Camp Verde, Arizona.
		The Mirabilite crystals have lost much of their water and are turning to a white powder.
		In China, mirabilite is mined in the Hebei, Henan, Shandong, Jiangsu and...
	www.toprocks.net /MineralList/61/Mirabilite.asp (501 words)

	Reference.com/Encyclopedia/Mirabilite
		Mirabilite, also known as "Glauber's salt", is a hydrous sodium sulfate mineral: Na ·10H
		It is a vitreous, colorless to white monoclinic mineral which forms as an evaporite from sodium sulfate bearing brines.
		Thenardite (Na) is an orthorhombic anhydrous sodium sulfate mineral found in volcanic caves on Mt.
	www.reference.com /browse/wiki/Mirabilite (190 words)

	Method of producing potassium sulfate - Patent 4215100
		C., whereby mirabilite and a chloride solution are formed, the latter being evaporated to obtain sodium chloride and a concentrated chloride solution.
		Finally, the concentrated chloride solution is mixed with mirabilite, and the resulting suspension is delivered to the first stage of conversion of sodium sulfate with potassium chloride.
		C., whereby mirabilite and a chloride solution are formed, the latter solution being evaporated to obtain sodium chloride and a concentrated chloride solution, wherein, according to the invention, the concentrated chloride solution is mixed with mirabilite, and the resulting suspension is delivered to the stage of conversion of sodium sulfate with potassium chloride.
	www.freepatentsonline.com /4215100.html (2299 words)

	Dehydration process (Site not responding. Last check: 2007-10-29)
		When the solubility of Mirabilite is exceeded, it crystallizes out and, due to its density of about 1.46 g/cc, it starts to sink to the bottom of the pond, where the temperature is well above the transition temperature of 32.degree.
		Upon reaching the region where the temperature exceeds the transition temperature, the Mirabilite is converted to anhydrous sodium sulfate and there is obtained a sodium sulfate of a concentration of about 30% by weight.
		As the temperatures are exceeding the transition temperature of Mirabilite, there is obtained a conversion of this form to anhydrous sodium sulfate which is obtained in an essentially pure form.
	www.sacnewsmonthly.com /invent/polymeric_blend_automotive_applications/dehydration_process.html (1547 words)

	Temperature-Dependent Changes - 2001JC000887
		Brine tubes, pockets, bubbles, and mirabilite crystals are observed to undergo significant evolution as the temperature changes.
		Unlike mirabilite, which always appeared to remain separate from the ice, the formation of hydrohalite crystals was observed to be closely associated with ice crystal formation.
		It might be expected that this association would normally lead to brine inclusions being filled with an ice hydrohalite slush, as appears to be the case in Figure 13c.
	www.agu.org /pubs/sample_articles/cr/2001JC000887/5.shtml (2206 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal (Site not responding. Last check: 2007-10-29)
		Sodium sulfate is mainly used for the manufacture of detergents and in the Kraft process of paper pulping, although it has many other uses.
		About half of the world's production of the decahydrate (Glauber's salt) is from the natural mineral form mirabilite - found in lake beds in southern Saskatchewan, for example.
		Anhydrous sodium sulfate occurs in arid environments as the mineral thenardite, which is less common than mirabilite.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=sodium_sulfate (1213 words)

	Discussion - 2001JC000887
		Because small bubbles should be more readily visible than brine or mirabilite inclusions of equal size due to the strong refractive index contrast between gas and brine, these observations suggest that there may be a minimum size required to form a stable bubble.
		Because the salts precipitate in response to freezing equilibrium, and because their size is generally small compared to the brine inclusions, their presence is tightly tied to the chemical properties of sea ice, and only loosely tied to the inclusion size distributions for tubes, pockets, and gas bubbles.
		While the observations indicate that mirabilite crystals too large to form in smaller inclusions do sometimes occur in larger brine tubes, most of the precipitated salt crystals do not appear to grow larger than 0.01 mm.
	www.agu.org /pubs/sample_articles/cr/2001JC000887/6.shtml (1653 words)

	Cutter Suction Dredge, dredge equipment, dredges, the word for dredge is Ellicott
		In a remote region of northwest China, mining of salts containing Mirabilite began in 1958, supporting a small village.
		In addition to Mirabilite, other salts are extracted and used in China’s commercial industry.
		In the 1980’s the dredging industry was starting to gain a position in furnishing bucketwheel suction dredges to the mining industry.
	www.dredge.com /casestudies/dredge12.htm (328 words)

	JAIC , Volume 39, Number 3, Article 2 (pp. to )
		In the micro- and macro-experiments it was found that the growth rate of halite crystals was much slower than that of mirabilite.
		Both mirabilite and thenardite, anhydrous sodium sulfate, grew as prismatic crystals within the solution at high (65%) and low (35%) RH, respectively.
		Smaller-pored stones retained some moisture and mirabilite crystallized during the cooling stage, but no acoustic emission was obtained.
	aic.stanford.edu /jaic/articles/jaic39-03-002_7.html (1947 words)

	[No title]
		The annual Mirabilite powder production of the company is 500,000 tons, which is the biggest scale corporation among the factories producing Mirabilite Co. Ltd is located in the middle part of Mirabilite mine in Dahong Mountain, Meishan City, Sichuan Province.
		The mine is one of the biggest Mirabilite mines in China.
		The Advanced Technology: Chuanmei Mirabilite Co. Ltd has 4 united thermoelectric power stations that is steam and electricity united used.
	www.chinachuanmei.cn /en/gsjj.asp (430 words)

	Seneca Caverns - West Virginia's Largest Caverns
		- epsomite and mirabilite are small amounts of crystallized salts that form hairlike tendrils from ceilings, walls, and floors.
		The sedimentary rock is composed mainly of calcium carbonate.
		- mirabilite and epsomite are small amounts of crystallized salts that form hairlike tendrils from ceilings, walls, and floors.
	wvweb.com /www/seneca_caverns/terms.html (1389 words)

	Cleaner Production in the Textile and Dyeing Industries (Site not responding. Last check: 2007-10-29)
		Part of the smelt is collected in the form of mirabilite by a cottrel dust catcher that is installed as an air pollution prevention measure.
		This mirabilite is dissolved in diluted fl liquor and used to supplement cooking liquor (see Fig.
		Therefore, the general practice is to absorb sulfer dioxide in recovery boiler exhaust gas by reacting it with caustic soda and effectively use the recovered sulfite of soda as an alternative to mirabilite.
	www.apec-vc.or.jp /co-op/textile/chapter4/16.html (374 words)

	Craters of the Moon NM & Preserve: Geology of Craters of the Moon (Site not responding. Last check: 2007-10-29)
		This open chamber contains large quantities of the secondary sulfate minerals, gypsum, mirabilite, and jarosite, all of which seem to be scarce or absent in caves in other volcanic regions.
		Crystal Pit is a teardrop shaped cavity approximately 120 feet (36m) deep that most likely fed the spatter cone at the surface.
		Peck (1974) proposed that the mirabilite and gypsum are likely capillary groundwater deposits.
	www.nps.gov /crmo/geology/geology-7.htm (365 words)

	Amazon.com: "mirabilite crystals": Key Phrase page (Site not responding. Last check: 2007-10-29)
		See all pages with references to mirabilite crystals.
		Similar cement overgrowths may account for the crystals of halite in the Dead Sea (13eyth, 1980) and mirabilite crystals in Freefight Lake (Last and Slezak, 1987).
		In both studies, rapid hydration and growth of very large mirabilite crystals in the presence of liquid water were observed.
	amazon.com /phrase/mirabilite-crystals (449 words)

	lha-avignon
		Comme la solubilité de la mirabilite varie fortement avec la température, ceci provoque une rapide précipitation de ce minéral lors de rafraîchissement et sa solubilisation tout aussi rapide avec la remontée des températures.
		La rapide et massive précipitation de mirabilite favorise la sédimentation des particules de gypse déposées par le vent, mais aussi des algues dont le nombre peut décupler en quelques heures après les pluies.
		Les cristaux centimétriques de mirabilite sur une couche de mirabilite empriconant des algues vertes.
	www.terre-et-eau.univ-avignon.fr /exemples/espagne/espagne.htm (853 words)

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