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Hexahydrite from
Alum mines, La Vilella Alta, Priorat, Tarragona, Catalonia, Spain


Locality type:Diggings
Classification
Species:Hexahydrite
Formula:MgSO4 · 6H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hexahydrite data
Locality Data:Click here to view Alum mines, La Vilella Alta, Priorat, Tarragona, Catalonia, Spain
Data Identifiers
Mindat Occurrence Record ID:1582565
Long-form Identifier:1:3:1582565:2
GUID (UUID V4):3ffaefa2-32b2-4572-ba84-8fd86b46598f
References
Reference Search (possible matching items)
Report (chapter)
in closed-basin lakes, in rock outcrops, and in mines and mine wastes has been noted since early antiquity...early Greek and Roman civilizations. Alum, most commonly potash alum KAl(SO4)2·12H2O, which is from the...(soluble metal-sulfate salts) that formed within mines and along rock faces (Agricola 1546, 1556). Furthermore...mol % Cu (Jangg and Gregori 1967). Hexahydrite group. The hexahydrite group consists of monoclinic sulfates...minerals in the group (Table 1). Except for hexahydrite, MgSO4·6H2O, which is known to precipitate in
Journal (article/letter/editorial)
group are referred to as pseudo-alums due to their relation to the alum group minerals RY(SO4 )2 ·12H2...series that is not isomorphous with the monovalent alums. The halotrichites crystallize in the monoclinic...Mg sulfates (e.g., epsomite MgSO4 ·7H2 O and hexahydrite MgSO4 ·6H2 O), melanterite FeSO4 ·7H2 O, copiapite...copiapite (Fe2+ ,Mg)Fe3+ 4 (SO4 )6 (OH)2 ·20H2 O, K-alum KAl(SO4 )2 ·12H2 O, and gypsum CaSO4 ·2H2 O [11–17]...[11–17]. They are often found in sulfide-bearing ore mines, especially the abandoned ones, in waste dumps of
Journal (article/letter/editorial)
ferricopiapite, glauberite, gypsum, hanksite, hexahydrite, jarosite, kainite, kieserite, linarite, minamiite...pickeringite, plumbojarosite, polyhalite, potassium alum (potash alum; kalinite), rozenite, serpierite, sulfohalite...Germany “Hexahydrite” (likely kieserite) MgSO4·6 H2O S39 Barranco del Jarosa, Sierra Akmagrera, Spain Jarosite...pc Westeregeln, Niedersachsen, Germany Potassium Alum (Kalinite) KAl(SO4)2·12H2O JB626, m, cg, pc Iron...Ferricopiapite 1649 1444 Glauberite Gypsum Hanksite§ “Hexahydrite” (likely kieserite) 1621 ν3 1171 1128 1022
Journal (article/letter/editorial)
starkeyite, ilesite, and rozenite, and Mg[(H2O)6] in hexahydrite. In compounds where the ligands are only ­H2O...Str. 2, 28359 Bremen, Germany MM′(SO4)2·12H2O alums, where M = Na, K, Rb and Cs, and M′ = Al, Cr, Ga...starkeyite, ilesite and rozenite; and Mg[(H2O)6] in hexahydrite, epsomite, meridianiite and melanterite. Deviations...­Mg[O2(H2O)4] in starkeyite and Mg[(H2O)6] in hexahydrite. Those sulfates with M[(H2O)6] structures (epsomite...minerals and compounds with M(H2O) 6, other than hexahydrite, epsomite, meridianiite and melanterite, would
Journal (article/letter/editorial)
pigment), alumen (Latin, usually translated as ‘alum’ but this oversimpliŽ cation is discussed below)...synonomous with potash alum (KAl sulphate). Singer (1948) reviewed the history of alum and its development...17th to 19th centuries the industrial production of alum (meaning the hydrated double sulphate with K+, NH+4...1999). Both in the case of ancient and modern ‘alums’ being used as mordants, iron was considered a deleterious...mined widely on Melos, principally in underground mines in the east and southeast parts of the island, e
Journal (article/letter/editorial)
1134/S1028334X08070246 In 1965, nickelhexahydrite, a natural hexahydrite modification of monoclinic nickel sulfate, was...and its synthetic analogue crystallize in the hexahydrite (MgSO4 · 6H2O [9]) structure type. According...complex composition in this group are represented by alums (K,Na)Al(SO4)2 · 12H2O) and jurbanite (AlSO4(OH)...similar to the end member of the isomorphous hexahydrite(Mg)–ferrohexahydrite(Fe2+)–nickelhexahydrite(Ni2+)...and can continue to produce sulfates with the hexahydrite-type structure. This assumption is supported
Journal (article/letter/editorial)
tellurium, vanadium and molybdenum into anhydrous alum, Lascar volcano fumaroles, Chile N. Sainlot a,⇑...France Observatoire volcanologique et sismologique de la Guadeloupe, Institut de Physique du Globe, Sorbonne...report on the sub-surface formation of anhydrous alum (MI MIII (XVIO4)2 with MI = + + III NH+ = Al3+,...°C fumaroles of the Lascar volcano (Chile). The alum 4 , Na , K ; M occurs as a few millimetres thick...elements to enter the MI, MIII and XVI sites of alum, respectively. The process of Te uptake must be
Journal (issue)
Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Thomas P. Moore Niantic, CT Joe Polityka Staten...P. Uher, S. Michal & J. Vitdlos The minerals of Alum Cave Bluff, Great Smoky Mountains, T ennessee.....disporting themselves at shows. Are they participat­ G la ss C ages ing? Do they spend major amounts of...Stuttgart, p. 534-535. LACROIX, A. (1896) Mineralogie de la France et de Ses Colonies. vol. 2, p. 527. LIOTTI...Graeber & Himes Great Basin Minerals Hallelujah Mines Jeff & Gloria's Minerals Jewel Tunnel Imports Jones
Report (volume)
(bassanite). For centuries, Al-sulfate minerals, or "alums," have been used in the tanning and dyeing industries...interstitial cations. In the minerals of the hexahydrite group (Table 5), {M2+ (H2O)6}(SO4) (Fig. 14a)...isolated (SO4) tetrahedra and (MØ6) octahedra: (a) hexahydrite; (b) retgersite. 19 20 Hawthorne, Krivovichev...anions of the sulfate group. The structure of sodium alum, Na{Al(H2O)6}(SO4)2(H2O)6, consists of {Al(H2O)6}...and (MØ6) octahedra: (a) cyanochroite; (b) sodium alum; (c) tamarugite, with Na atoms shown as circles;
Book (volume)
cobaltocalcite, chalcocyanite, metastrengite, soda alum) they further have subscribed completely to the...Dieuze in Lorraine. Near Cardona in Barcelona, Spain. At North wich, Cheshire, England. Skeletal crystals...gave AgCl 11, NaCl 89, total 100. Found at several mines in the Huantajaya district, calcite, embolite, cerargyrite...cornea Span. Chlorobromure d'argent Domeyko (Ann. mines, 6, 153, 1844), Berthier (ibid., 2, 540, 1842)....Mex. (from Mexico and Huelgoet), Berthier {Ann. mines, 19, 734, 742, 1841; ibid., 2, 256, 1842). Bromide
Report (chapter)
interstitial cations. In the minerals of the hexahydrite group (Table 5), {M2+ (H2O)6}(SO4) (Fig. 14a)...isolated (SO4) tetrahedra and (MØ6) octahedra: (a) hexahydrite; (b) retgersite. 19 20 Hawthorne, Krivovichev...anions of the sulfate group. The structure of sodium alum, Na{Al(H2O)6}(SO4)2(H2O)6, consists of {Al(H2O)6}...and (MØ6) octahedra: (a) cyanochroite; (b) sodium alum; (c) tamarugite, with Na atoms shown as circles;...octahedra. The structure of coskrenite-(Ce), (Ce,Nd,La)2(SO4)2(C2O4)(H2O)8, the only sulfateoxalate mineral
Journal (article/letter/editorial)
water (mirabilite, polyhalite, kainite, alums, kieserite, hexahydrite, vitriols) b) Layered (gypsum) Class
Book (edition)
42e, and kainite 42g. The vitriol 4 1cl, 42a and alums 42c are common chemicals but rare mi nerals. P....Al111ashite v. of Amber 2d9 Alstonite 23e Altaite 1 2c Alum 42c 40g Al11111ia11 s. of Natroal unite * (3-Alumina...Borgs1ro111ite s. of Jarosite 39d3 40e Boi'ickite I la Bornite 2c Bor1 v. of Diamond 2d5 • Boryslawite v...Dietzeite 9f Digcnite 28a Dil/11ire v. of Zunyite I la Dimorphitc 2f9 * Dinite 27e Diopsidc (Pyroxene group)...36h 33h . . P3. 1 2 1 5d U, 28c 1 7b 41h 1 4g I la 24dl0 l 3f 36h 37f 39d 1 9a 28h P4.7 P4.9
Book (edition)
Graeber Cureton Mineral Company Colorado School of Mines Charles and Marcelle Weber Dan Behnke Demetrios... ee .) ye a * “5 ——~ a ; Vie See ieeeir La del ve Mie ya rita aneremes |Liye ale =) LP...Nordmark at Jacobsberg and at the Kittel and Moss mines. Imbedded in hodgkinsonite at Franklin, Sussex County...OCCURRENCE: Associated with gypsum, anhydrite, hexahydrite, loweite, quartz, and pyrite in the gypsum deposit...REFERENCE: Am. Min., 55:1447- 1448 (1970). AGARDITE-(La) (La,Ca)Cu,g(AsO.)3(OH).e3H2O Mixite Group CRYSTAL
Book (edition)
AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH...Monogr The Mineralogical Society, 1980 Bulletin de la Commission Geologique de Finlande XXXVii XXXViii...Bulletin de Minéralogie (pre-1978, vol. 101, Bulletin de la Société Francaise de Minéralogie et Crystallographie...South African Speleological Association Bulletin de la Société Belge de Geologie Boll. Sci. Cons. Acad....Yugoslavia, Section A Boletin de la Sociedad Espanola de Mineralogia Bulletin de la Societé Francaise de Minéralogie
Book (edition)
Graeber Cureton Mineral Company Colorado School of Mines cw Charles and Marcelle Weber DB Dan Behnke DE Demetrios...Nordmark at Jacobsberg and at the Kittel and Moss mines. Imbedded in hodgkinsonite at Franklin, Sussex County...OCCURRENCE: Associated with gypsum, anhydrite, hexahydrite, loweite, quartz, and pyrite in the gypsum deposit...P21: a = 11.39, b = 5.47, c = 13.09, (3 = .9 8°26' la: a= 13.23, b = 5.632, c = 11.68, {3 = 98°42' 3 STRONGEST...DIFFRACTION LINES: P2,: 2.83 (100), 6.61 (90), 3.18 (90) la: 3.19 (100), 2.84 (100), 2.74 (100) OPTICAL COt~STANTS:
Book
ammoniac, thenardite. and sodium alum at Bátonyterenye: hexahydrite, mascagnite. eopiapite. starkeyite...halite, in associa­ tion with anhydrite, gypsum, hexahydrite. epsomite. and glauberite also occurs in the...Râdulescu. D. & Dimitrescu. R. (1971): Considerations sur la mineralogie des formations post-magmatiques ď age...Hungary. Topogr. Mineral. Hung.. 4. 130 p. Stefan. A.. La/ár. ('.. Berbeleac. I. & Udubaşa. G. (I98S): Evolution...only exceptions are at burn­ ing dumps of coal mines, where numerous secondary minerals were detected
Book
mo l representative. Sig nificant s he ar-zone re la te d mine ralizations we re recently recognised in...ammoniac, thenardite, and sodium alum at Batonyterenye; hexahydrite, ma cagnite. copiapite, s tarkeyi...halite, in association with anhydrite. gyp um. hexahydrite. epsomite. and glauberite also occurs in the...and at Polovragi. Ro mania (Cfita linu and Ungure la~ Valley ). Ttl F CARPATI II AN S - A STRU CTURAL...D. & Dimitre cu. R. ( 197 1): Considerations sur la mincralogie des formations pos1-magma1iques d' age
Book (edition)
modes of crystallisation are: (1) the crystals of alum or borax deposited from solutions of those substances...that direction (Fig. 9). The flattened crystals of alum frequently formed on the bottom of the crystallising-vessel...similar to Iceland spar [see 1 Essai dune théorie sur la structure des crystaux, p. 10. 14 THE CRYSTALLINE...image given by any face of an octahedron of common alum is a three-rayed star, as in Fig. 268. This is due...—Light-Figure Face of Alum, from Vig, 269.— Alum apparent octahedron-face of alum consists in reality
Book (edition)
Mineralogy, Museum of Geology South Dakota School of Mines & Technology Rapid City, South Dakota GEORGE ROBERT...review, critique and compilation. Larry Johnson and Alta Walker also contributed to this task. Paul B. Moore...Nordmark at Jacobsberg and at the Kittel and Moss mines. BEST REF. IN ENGLISH: Palache, et al. , "Dana's...CONSTANTS: a= 9.65 b = 8.79 C = 5.29 {3 = 107 .4° 3 LA TT ICE CONSTANTS: a= 10.41 b = 10.81 C = 8.93 3 STRONGEST...CLASS: 2 (m) SPACE GROUP: P2 1 (la) Z: 4 LATTICE CONSTANTS: (P2 1 ) (la) a=ll .39 a= 13.23 b = 5.47 b =
Book
............................................ 6. Alum Group ............................................Europe. The so-called lapidaries (from the Latin la p is— stone), the only mineralogical literature of...pigments, enamels, and glazes; talc, kaolin, sulphur, alum, magnesite, etc., are used for paper-making. . Rock...depended on foreign capital which owned all the larger mines. After the Revolution the country faced the task...gold fields in South Africa the maximum depth of mines is about 2.5 km. The wQrld’s deepest oil wells reach
Book
Alunogen Group Halotrichite Group Alunite Group Alum Group Kieserite-Epsomite Group Langbeirute-Picromerite...0 Na 0 Amphoteric catio ns oca Ocd 0 ·3.,, La 0 ac e Mn 0 Hf,Zr ::J =ol'Q 0 Li Mn 0 O Fe ocr...classification est un instrument de recherche; elle est la base fondamentale de tout travail theorique. J. 0RCEL...and the 'iron hat' of the famous Rio Tinto mine, Spain. The most important gold deposit in the world, Witwatersrand...Andreasberg in the Harz Mountains ; Ste Marie aux Mines in Alsace; Akadani in Japan; Kalgoorlie in Western
Book (edition)
Microscopical Determination of the Opaque Minerals, 1916. La Methode Universelle Nikitin, translated into French...Descriptive Mineralogy, 1911. Lacroix. Mineralogie de la France et de ses Colonies, 5 vols., 1893-1913. Miers...American Mineralogist, 1916. Bull. Soc. Min. Bulletin de la Societe Francaise de Mineralogie, 1878-. Centralbl...HKL ANM parameters, (1) and (2) It is to two la 2c. be noted that since HKL and planes are parallel...above. and la |6 2c. (2) (1) \a |6 \c, : By : inversion of these expressions we obtain and la 4a 36 2c
Book (edition)
Bibliography: p. Includes index. I. Geology, Economic. 2. Mines and mineral resources. I. Bateman, Alan Mara, joint...western part of the United States from Mexico and Spain. A glance at the history of development of leading...not ordered• 55,820,400 13,560,000 • 222 •• LA • A'■ ... .. "' •• c:;> PUERTO RICO 219,266...years, and Finland, West Germany, Portugal, and Spain in some years after 14 1956. Data from U.S. Atomic...Atomic Energy Agency (1969, table 2), U.S. Bureau of Mines (1949-72), and Williams (1971). (From : U.S. Geol
Report (issue)
Harbour 5\ Great Barrier Island .Rodney� o Cuvier la. wau la Coromandel Peninsula an Hikuai ll:owaihi ...Barrier Island (Ramsay & Kobe 1974, p. 150); Camoo la Reef, Maratoto Valley (Main et al. 1972); and the... Allophane Many samples of allophane approac � hydr? us alum � i um _ _ silicate, but there is a considerable...and is not separately listed by Fleischer (1983). Alum General name for amphibole with higher than usual...phates of various compositions rather than true alums. Such sulphates are locally found as encrustations
 
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