	Spöt, Christoph, Pak, Edwin (1996) A strontium and sulfur isotopic study of Permo-Triassic evaporites in the Northern Calcareous Alps, Austria. Chemical Geology, 131 (1) 219-234 doi:10.1016/0009-2541(96)00017-4	Journal (article/letter/editorial)
	Permo-Triassic evaporites in the Northern Calcareous Alps, Austria Christoph Spi3tl a,* Edwin Pak b a lnstitutfiir...Universitiit Innsbruck, Innrain 52, A-6020 Innsbruck, Austria b Institutf~r Radiumforschung und Kernphysik, Universitiit...Universitiit Wien, Boltzmanngasse 3, A-f090 Vienna, Austria Received 29 August 1995; accepted 9 February 1996...samples include coarselycrystalline anhydrite and gypsum varieties. In addition, seven samples from other...Geology 131 (1996) 219-234 221 Fig. 1. Map of Austria and the NorthernCalcareousAlps (in gray) showingthe
	Carreño-Márquez, Iván, Castillo-Sandoval, Isaí, Pérez-Cázares, Bernardo, Fuentes-Cobas, Luis, Esparza-Ponce, Hilda, Menéndez-Méndez, Esperanza, Fuentes-Montero, María, Montero-Cabrera, María (2021) Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico. Minerals, 11 (3) 292 doi:10.3390/min11030292	Journal (article/letter/editorial)
	be found as four main variations: gypsum (CaSO4 ·2H2 O), bassanite (CaSO4 ·0.5H2 O), soluble anhydrite...thermodynamic balance close to equilibrium, where gypsum can form nanocrystals able to grow up to 11–12...Conservation efforts can be traced back to other gypsum structures found prior to Naica’s. Furthermore...Alexander E. S. Van Driessche Keywords: Naica; gypsum; giant crystals; nucleation Received: 27 December...Mexico, are probably the largest and most impressive gypsum (CaSO4 ·2H2 O) crystals on Earth. Among the variety
	Bishop, J. L., Lane, M. D., Dyar, M. D., King, S. J., Brown, A. J., Swayze, G. A. (2014) Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite. American Mineralogist, 99 (10) 2105-2115 doi:10.2138/am-2014-4756	Journal (article/letter/editorial)
	Perchlorates Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite† Janice L. Bishop1,, Melissa...remote detection of these minerals on Mars. Gypsum, bassanite, and anhydrite are the currently known forms...discussed here for various sample forms. Gypsum* and bassanite spectra exhibit characteristic and distinct...1–2.3 μm attributed to H2O. Anhydrite, bassanite, and gypsum all have SO4 combination and overtone features...a sharp band for anhydrite and a broad peak for gypsum. The band center of the ν1 vibration follows a
	Van Driessche, A.E.S., Stawski, T.M., Kellermeier, M. (2019) Calcium sulfate precipitation pathways in natural and engineered environments. Chemical Geology, 530. 119274 doi:10.1016/j.chemgeo.2019.119274	Journal (article/letter/editorial)
	le-alpes.fr; Keywords: calcium sulfate; gypsum; bassanite (hemihydrate); anhydrite; classical and ur...of calcium sulfate minerals, i.e. gypsum, anhydrite and bassanite, is a common process in both natural...precipitation pathway of the most common phase, gypsum. The newly obtained data sketch a far more complex...crystalline phases can be obtained (Fig. 1): gypsum (CaSO4·2H2O), bassanite Journal Pre-proof (CaSO4·0.5H2O)...that at low temperatures (<40-60 ºC) monoclinic gypsum is the most stable phase, while at higher temperatures
	*(2013) Erratum. American Mineralogist, 98 (5) 1083 doi:10.2138/am.2013.623*	Journal (article/letter/editorial)
	the Palomo mine, Castrovirreyna Province, Huancavelica Department, Peru. The Palomo mine belongs metallogenetically...metallogenetically to the Huachocolpa ore district. The rocks in the area of the mine are exclusively volcanic, comprising...0003-004X/13/0506–1078$05.00/DOI: http://dx.doi.org/10.2138/am.2013.616 (based on 5 atoms) As1.96S3.04. The low...(S2O3)(CO3), is a new mineral from the Trentini mine, Mount Naro, Vicenza Province, Veneto, Italy (holotype...adit, Schwarzleo District, Leogang, Salzburg, Austria, and the Friedrich-Christian mine, Schapbach, Black
	Ruiz-Agudo, E., Putnis, C.V., Hövelmann, J., Álvarez-Lloret, P., Ibáñez-Velasco, A., Putnis, A. (2015) Experimental study of the replacement of calcite by calcium sulphates. Geochimica et Cosmochimica Acta, 156. 75-93 doi:10.1016/j.gca.2015.02.012	Journal (article/letter/editorial)
	acidic solutions, calcite is ultimately replaced by gypsum (CaSO4 2H2O) and anhydrite (CaSO4), depending on...pseudomorphically by the product. At 120 and 200 °C gypsum and/or bassanite (CaSO40.5H2O) form as precursor phases...soluble minerals such as anhydrite (CaSO4) and gypsum (CaSO4 2 H2O) to give more stable carbonate phases...microscopic mechanisms involved in the carbonation of gypsum. The inverse reaction, i.e. the sulphation of carbonates...important building stone resources, and sulphation (gypsum crust formation) is one of the main causes responsible
	*Schmid, Thomas, Jungnickel, Robert, Dariz, Petra (2020) Insights into the CaSO4–H2O System: A Raman-Spectroscopic Study. Minerals, 10 (2) 115 doi:10.3390/min10020115*	Journal (article/letter/editorial)
	consisting of the five crystalline phases gypsum, bassanite, and the anhydrites III, II, and I, has left...spectroscopic data of the system. The dehydration path gypsum–bassanite–anhydrite III was shown to have strong parallels...the quantitative discrimination of α-bassanite and β-bassanite as well as the postulated three sub-forms...temperature of 650 ◦ C ± 50 K. Keywords: gypsum; bassanite; hemihydrate; anhydrite; dehydration; rehydration;...Introduction In the course of the 19th century, gypsum increasingly became a subject of natural scientific
	*Worku, T., Parker, A. (1992) Occurrence of bassanite in Lower Lias rocks of the Lyme Regis area, England. Mineralogical Magazine, 56 (383) 258-260 doi:10.1180/minmag.1992.056.383.15*	Journal (article/letter/editorial)
	nomenclature in volumes 1-50 of The American Mineralogist. Am. Mineral., 51, 1285. - - ( 1 9 8 7 ) Glossary of...a new phosphate from Galena, Lawrence Co., S. D. Am. J. Sci., 3rd ser. 46, 22-4. McConnell, D. (1942)...KEYWORDS: kehoeite, phosphate minerals, Merritt mine, South Dakota. Department of Mineral Sciences,...JUNE 1992, VOL 56, PP. 258-259 Occurrence of bassanite in Lower Lias rocks of the Lyme Regis area, England...England REPORTED occurrences of bassanite (CaSO4.89 are rare, and are of two principal kinds. The first
	Liu, Tao, Artacho, Emilio, Gázquez, Fernando, Walters, Gregory, Hodell, David (2019) Prediction of equilibrium isotopic fractionation of the gypsum/bassanite/water system using first-principles calculations. Geochimica et Cosmochimica Acta, 244. 1-11 doi:10.1016/j.gca.2018.08.045	Journal (article/letter/editorial)
	Equilibrium Isotopic Fractionation of the Gypsum/Bassanite/Water System using First-Principles Calculations...Equilibrium Isotopic Fractionation of the Gypsum/Bassanite/Water System using First-Principles Calculations...Equilibrium Isotopic Fractionation of the Gypsum/Bassanite/Water System using First-Principles Calculations...(also called hydration water) in gypsum (CaSO4•2H2O) and bassanite (CaSO4•0.5H2O) can be used to reconstruct...triple oxygen and hydrogen isotopes in the gypsum-water and bassanite-water systems between 0 C and 60 C
	*White, John Sampson, Erd, Richard C. (1992) Kehoeite is not* a valid species. Mineralogical Magazine, 56 (383) 256-258 doi:10.1180/minmag.1992.056.383.14**	Journal (article/letter/editorial)
	Kehoeite is not KEHOEITE, found at the Merritt mine, Galena, Lawrence County, South Dakota, was originally...which make up kehoeite' enumerated by Taylor are gypsum, quartz, pyrite, sphalerite and a finely-divided...remaining weaker lines coincide closely with those of gypsum, a not altogether surprising Table i. C o m p...70 1.672 7 1.669 10 1.633 30 1.633 60 GYPSUM KEHOITE WOODHOUSEITE KEHOEITE 7,63 I00 2...accounted for by a mixture of quartz, sphalerite, gypsum and woodhouseite, or a very similar phase. It is
	Shivaramaiah, Radha, Lee, Wingyee, Navrotsky, Alexandra, Yu, Dechao, Kim, Paul, Wu, Haohan, Hu, Zhichao, Riman, Richard, Anderko, Andrzej (2016) Location and stability of europium in calcium sulfate and its relevance to rare earth recovery from phosphogypsum waste. American Mineralogist, 101 (8) 1854-1861 doi:10.2138/am-2016-5684	Journal (article/letter/editorial)
	0003-004X/16/0008–1854$05.00/DOI: http://dx.doi.org/10.2138/am-2016-5684 they can be recovered economically. Phosphate...possibilities are: (1) RE could form solid solution in gypsum by substituting for Ca—without charge balancing...either amorphous or crystalline, on gypsum surfaces or in-between gypsum grains. In each of these circumstances...precipitation from aqueous solution, we synthesized gypsum samples with different Eu and phosphate concentrations...structure models of gypsum and bassanite. For samples containing a mixture of bassanite and gypsum, two-phase
	Mees, Florias, De Dapper, Morgan (2005) Vertical variations in bassanite distribution patterns in near-surface sediments, southern Egypt. Sedimentary Geology, 181 (3) 225-229 doi:10.1016/j.sedgeo.2005.09.002	Journal (article/letter/editorial)
	elsevier.com/locate/sedgeo Vertical variations in bassanite distribution patterns in near-surface sediments...in southern Egypt contain bassanite (CaSO4d 0.5H2O), associated with gypsum (CaSO4d 2H2O), in the upper...deposits. The presence of bassanite at this site, formed by dehydration of gypsum, is marked by variations...the lowest bassanite-bearing interval, bassanite occurs mainly along the contact between gypsum crystals...related to the protection of bassanite from rehydration in those parts of the gypsum aggregates. At a higher
	Querol, X., Fernandez Turiel, J. L., Lopez Soler, A. (1994) The behaviour of mineral matter during combustion of Spanish subbituminous and brown coals. Mineralogical Magazine, 58 (390) 119-133 doi:10.1180/minmag.1994.058.390.11	Journal (article/letter/editorial)
	(1450 MW), Teruel power station (1050 MW), Sabrina Mine in Utrillas (Province of Teruel), and Santa Eulalia...coal sample from the 4th coal seam of the Sabrine Mine (Utrillas, Teruel, Fig. 1). Previous works (Querol...(Cretaceous) coal deposits from the Teruel Mining District regarding mineral matter and sulphur contents...to the power station from the As Pontes Mining District. The lignites show an organic affinity for some...mineral phases found are (Fig. 2): kaolinite, illite, gypsum, pyrite, marcasite, quartz, microcline and calcite
	Vaniman, David T., Martínez, Germán M., Rampe, Elizabeth B., Bristow, Thomas F., Blake, David F., Yen, Albert S., Ming, Douglas W., Rapin, William, Meslin, Pierre-Yves, Morookian, John Michael, Downs, Robert T., Chipera, Steve J., Morris, Richard V., Morrison, Shaunna M., Treiman, Allan H., Achilles, Cherie N., Robertson, Kevin, Grotzinger, John P., Hazen, Robert M., Wiens, Roger C., Sumner, Dawn Y. (2018) Gypsum, bassanite, and anhydrite at Gale crater, Mars. American Mineralogist, 103 (7) 1011-1020 doi:10.2138/am-2018-6346	Journal (article/letter/editorial)
	Mineralogist, Volume 103, pages 1011–1020, 2018 Gypsum, bassanite, and anhydrite at Gale crater, Marsk David...instrument on Mars Science Laboratory show that gypsum, bassanite, and anhydrite are common minerals at Gale...(~6 to 30 °C) within CheMin drive gypsum dehydration to bassanite; measured surface temperatures and...warm-season surface heating can also cause gypsum dehydration to bassanite. By accounting for instrumental dehydration...in samples returned from Mars. Keywords: Gypsum, bassanite anhydrite, X‑ray diffraction, Mars; Martian
	*Comodi, P., Kurnosov, A., Nazzareni, S., Dubrovinsky, L. (2012) The dehydration process of gypsum under high pressure. Physics and Chemistry of Minerals, 39 (1) 65-71 doi:10.1007/s00269-011-0460-1*	Journal (article/letter/editorial)
	-1 ORIGINAL PAPER The dehydration process of gypsum under high pressure P. Comodi • A. Kurnosov • S...Abstract The effects of pressure on the dehydration of gypsum materials were investigated up to 633 K and 25...anvil cell. At 2.5 GPa, gypsum starts to dehydrate around 428 K, by forming bassanite, CaSO4 hemihydrate,...transparent again during the dehydration sequence gypsum-bassanite-c-anhydrite, which irreversibly transforms...temperature and pressure for the first appearance of bassanite. Evidence of phase transition from b-anhydrite
	Rapin, W., Meslin, P.-Y., Maurice, S., Vaniman, D., Nachon, M., Mangold, N., Schröder, S., Gasnault, O., Forni, O., Wiens, R.C., Martínez, G.M., Cousin, A., Sautter, V., Lasue, J., Rampe, E.B., Archer, D. (2016) Hydration state of calcium sulfates in Gale crater, Mars: Identification of bassanite veins. Earth and Planetary Science Letters, 452. 197-205 doi:10.1016/j.epsl.2016.07.045	Journal (article/letter/editorial)
	sulfates in Gale crater, Mars: Identiﬁcation of bassanite veins W. Rapin a,b,∗ , P.-Y. Meslin a,b , S. Maurice...Editor: C. Sotin Keywords: Mars calcium sulfate bassanite LIBS hydrogen ChemCam a b s t r a c t In-situ...consist predominantly of bassanite which most likely formed by dehydration of gypsum. This scenario suggests...suggests that the percolating water produced gypsum, possibly by hydration of anhydrite in aqueous solution...impacts. Additionally, anhydrite with lesser bassanite has been found by XRD in samples of sediments
	*Ciriotti, Marco E. (2015) Discreditation of the mineral species churchite-(Nd) and iodine. European Journal of Mineralogy, 27 (6) 813-819 doi:10.1127/ejm/2015/0027-2480*	Journal (article/letter/editorial)
	al., 2012); ii) an occurrence at Silberbrünnle mine, Gengenbach, BadenWürttemberg, Germany (Wittern...No./Year References Ardealite Bassanite Brushite Churchite-(Y) Gypsum Omongwaite Pharmacolite Rapidcreekite...Ca2(SO4)(CO3)4H2O, and its relation to the structure of gypsum. Can. Mineral., 34, 99–106. Cooper, M.A. & Hawthorne...Chacabuco, Chile: description and crystal structure. Am. Mineral., 83, 390–399. Dana, J.D. & Brush, G.J....J. (1990): The discreditation of mineral species. Am. Mineral., 75, 928–930. Dunn, P.J., Grice, J.D.,
	*Ossorio, M., Van Driessche, A.E.S., Pérez, P., García-Ruiz, J.M. (2014) The gypsum–anhydrite paradox revisited. Chemical Geology, 386. 16-21 doi:10.1016/j.chemgeo.2014.07.026*	Journal (article/letter/editorial)
	homepage: www.elsevier.com/locate/chemgeo The gypsum–anhydrite paradox revisited M. Ossorio a, A.E.S...Precipitation Phase transition Stability Anhydrite Bassanite Gypsum a b s t r a c t Despite much experimentation...below 80 °C gypsum is the sole primary phase and in the range of 80 to 120 °C gypsum and bassanite are the...precipitation of anhydrite (compared to gypsum and bassanite), and consequently, a considerable amount...results also show that at low water activity, bassanite becomes an important phase, which could be relevant
	Carbone, Marilena, Ballirano, Paolo, Caminiti, Ruggero (2008) Kinetics of gypsum dehydration at reduced pressure: an energy dispersive X-ray diffraction study. European Journal of Mineralogy, 20 (4) 621-627 doi:10.1127/0935-1221/2008/0020-1826	Journal (article/letter/editorial)
	621–627 Published online May 2008 Kinetics of gypsum dehydration at reduced pressure: an energy dispersive...Chimica, P.le A. Moro 5, 00185 Roma, Italy Abstract: Gypsum (CaSO4 ·2H2 O) dehydration kinetics were investigated...single-step conversion path gypsum → γ-anhydrite. Separate experiments of bassanite (CaSO4 ·0.5H2 O) dehydration...According to the structural relationships between bassanite and γ-anhydrite, dehydration should occur via...phase) can be applied. Key-words: gypsum, dehydration kinetics, bassanite, γ-anhydrite. 1. Introduction
	Guo, Wenmu, Li, Jinxiao, Wang, Zhenzhen, Zhang, Ke, Gao, Zheng, Ma, Jialiang, Zhao, Cunliang (2020) Mineralogical Characteristics of Early Permian Paragonite-Bearing Coal (No. 3) in the Jinyuan Mine, Tengxian Coalfield, Shandong Province, Eastern China. Minerals, 10 (8) 714 doi:10.3390/min10080714	Journal (article/letter/editorial)
	Permian Paragonite-Bearing Coal (No. 3) in the Jinyuan Mine, Tengxian Coalfield, Shandong Province, Eastern...Permian Shanxi Formation No. 3 coal from the Jinyuan Mine. The Jinyuan coal is a low ash and highly volatile...compositions of trace amounts of pyrite, jarosite, bassanite, anatase, and rutile. According to mineral assemblage...characteristics in the No. 3 coal from the Jinyuan Mine, Tengxian coalfield. The aim was to analyze the...also includes several coal mines, where the Jinyuan Mine, which is located in the southeast part of the Tengnan
	Wilson, Siobhan A., Bish, David L. (2012) Stability of Mg-sulfate minerals in the presence of smectites: Possible mineralogical controls on H2O cycling and biomarker preservation on Mars. Geochimica et Cosmochimica Acta, 96. 120-133 doi:10.1016/j.gca.2012.08.008	Journal (article/letter/editorial)
	minerals (i.e., smectites). The formation of gypsum and bassanite in dry mineral mixtures via cation exchange...including kieserite (MgSO4H2O), gypsum (CaSO42H2O), and bassanite (CaSO40.5H2O), have been detected...near the surface of the planet. Kieserite, gypsum, and bassanite have all been identiﬁed in close association...formation of Ca-sulfate minerals such as gypsum (CaSO42H2O) and bassanite (CaSO40.5H2O). Our previous experiments...Mineral names are abbreviated as follows: B, bassanite; G, gypsum; K, kieserite; P, pentahydrite; H, hexahydrite;
	Llana-Fúnez, Sergio, Wheeler, John, Faulkner, D. R. (2012) Metamorphic reaction rate controlled by fluid pressure not confining pressure: implications of dehydration experiments with gypsum. Contributions to Mineralogy and Petrology, 164 (1) 69-79 doi:10.1007/s00410-012-0726-8	Journal (article/letter/editorial)
	pressure: implications of dehydration experiments with gypsum Sergio Llana-Fúnez • John Wheeler D. R. Faulkner...rock is compacting. We present 35 experiments on gypsum dehydration with independently controlled confining...earthquakes. Keywords Devolatilization reaction Gypsum dehydration Experimental petrology Pore fluid... we address this question using experiments on gypsum in which the fluid and confining pressures are...quite general but are illustrated with respect to gypsum dehydration. The stable dehydration product at
	*ZEN, E-A. (1965) Solubility Measurements in the System CaSO4-NaCl-H2O at 35 , 50 , and 70 Cand one atmosphere Pressure. Journal of Petrology, 6 (1) 124-164 doi:10.1093/petrology/6.1.124*	Journal (article/letter/editorial)
	solution composition in the ternary system. Instead, gypsum formed from solutions of all compositions at 35°...NaCl solutions and at 70° C, the hemihydrate (bassanite) forms. The isothermal, isobaric piercing points...given below: 35° Phase Gypsum (G), Solution (L) Halite (H), L G, H, L Bassanite (B), G, L . H, B, L ...calculated one-atmosphere transition temperature for gypsum and anhydrite in the binary system should be 46°±25°...only; owing to the low angle of intersection of the gypsum and the anhydrite solubility curves, small errors
	*Mees, F. (1998) The alteration of glauberite in lacustrine deposits of the Taoudenni-Agorgott basin, northern Mali. Sedimentary Geology, 117 (3) 193-205 doi:10.1016/s0037-0738(98)00042-6*	Journal (article/letter/editorial)
	(Na2Ca(S04)2). This resulted in the formation of gypsum (CaS04.2H20), both as crystals that are part of...anhedral and elongated prismatic crystals. The gypsum crystals were subsequently subjected to a dehydration...in a topotactic replacement of this mineral by bassanite (2CaS04.Hz0) and anhydrite (CaSO?). This replacement...dehydrated mineral phases and the [OOI] axis of the gypsum crystals. During later periods, the alteration...dilute solutions, producing aggregates with gypsum, bassanite, anhydrite and secondary glauberite as constituents
	Harrison, T. N. (2012) Experimental VNIR reflectance spectroscopy of gypsum dehydration: Investigating the gypsum to bassanite transition. American Mineralogist, 97 (4) 598-609 doi:10.2138/am.2012.3667	Journal (article/letter/editorial)
	reflectance spectroscopy of gypsum dehydration: Investigating the gypsum to bassanite transition Tanya N. Harrison...06459, U.S.A. Abstract The spectral behavior of gypsum* dehydration in the visible to near-infrared (350–2500...main habits of gypsum (alabaster, satin spar, selenite, and massive) to form bassanite. Powdered samples...samples of gypsum dehydrated at 100–115 °C and hand samples dehydrated at 115–130 °C, coinciding with a peak...peak in mass (water) loss in the samples. As gypsum dehydrates, its characteristic H2O absorption bands

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Bassanite from Gypsum mine, Moosegg, Grubach, Scheffau am Tennengebirge, Hallein District, Salzburg, Austria

Bassanite from
Gypsum mine, Moosegg, Grubach, Scheffau am Tennengebirge, Hallein District, Salzburg, Austria