 | | Journal (issue) | | .........259 b y U. Burchard Minerals of the Carrara M arble..........................................Louise, Horhausen, FRG San Piero in Campo, Elba, Italy Kongsberg, Norway Friedrichssegen, Bad Ems, FRG...4 cm, on matrix, from San Piero in Campo, Elba, Italy. Photo by Rainer Bode. 260 The M in eralogical...Maria 53, 56100 Pisa, Italy Giovanni Bracci Via dei Mulinacci, 8 57100 Livorno, Italy Domenico Dalena Viale...41 57100 Livorno, Italy F W twothousand years, the marble quarries near Carrara have yielded superb |  | | Book (volume) | | MOUNTAIN GEOLOGY ’ PARTS NORTHERN 1 AND [ITALY II AND TUSCANY BY C. S. DU RICHE PRELLER, M.A., Ph.D...MOUNTAIN PaRts NORTHERN I anp ITALY GEOLOGY. II. AND TUSCANY. OTHER GEOLOGICAL SAME PUBLICATIONS...Filol. Florence.” 1881. The Central Apennines from Tuscany to the Adriatic: ‘“‘ Journ. Ital. Alpine Club,...Lake Basins of Northern Italy. The Piedmontese Alps, Ligurian Apennines, Carrara Mountains, Subapennines...idem. The Ancient Sea and Lake Basins of Central Italy : idem. Italian Mountain Geology, Part II]. Wheldon |  | | Book | | 10:215-217 ADULARIA Adu Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54...[the Santa Lucia and Sa Duchessa mines,] Sardinia [Italy] (by F. Olmi, C. Sabelli & G. Brizzi) 19:305-310...ALBERTINI, CLAUDIO Famous mineral localities: Baveno, Italy 14:157168 ALBITE Davis Hill near Bancroft, Ontario:...8:287-293 Minerals of the Alpine rodingites of Italy (by C. M. Gramaccioli) 10:85-89 Micromounting in...ANALCIME Natrolite and analcime from Eckman Creek quarry. Waldport. Oregon (by M. Groben) 1:153, 1:173, |  | | Catalog/List | | crystals. Quite attractive near Yunxiao, Fujian Province China £25 3.5 X I inch 12. BOURNONITE good coverage...small stilbite crystals 3x2 inches £25 Wagholi Quarry, Poona ,India 23. EUDIALYTE really excellent display...some slight dame which is not obvious. Boyleston Quarry Glasgow, Scotland £9 28. BARYTES cut and polished...over Ix 1.5 inch surface of grey Phonolite. (Arris Quarry, Windhoek,Namibia) £ 10 37. GOOSECREEKITE, 1cm...sphere on quartz 4mm on quartz £7 Maharashtra Province India £15 b) /38. MELANOPHLOGITE small white |  | | Journal (issue) | | s11ries, as they are ne eded. Oniiie MlnerelTraii: Italy MALTA THE $TORY OFTHE EARTH Minerals Ill Medlclne...adular/11 (moonstone) on black henu,rite (Isla ofElba, Italy). Leff; Yellow orthoclas• has tire same chemical...moonstona-prodllcing countries are Brazi l, India, Italy, Madagascar, Mexico, Myann1ar (Burmal, Switzer land...hallway up the volcanic .\fouor Vesuvius near Naples (Italy), Although it has sobsequentl)' beeu found i11 other...cuspid;ne from Monte Somma, pan of Mount Vtsurius (Italy}. Right:Spear·lh•p•dcrystals of cu,pldlne surrounded |  | | Catalog/List | | AERINITE Calcium magnesium iron aluminum silicate ~ Province of Huesca, Estopinian Blue massive in an_cient...beautiful opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white...... ALLOPHANE Hydrous aluminum silicate Seain Province of Barcelona, Station Creu Elorde Waxy yellow-green...aluminum silicate Reeublic of South Africa Cape Province, Penge mine Grayish-green long-fibered mass, considered...calcium magnesium iron titanium alumina-silicate Italy Island of Linosa --Lustrous black rectangular crystal |  | | Report (issue) | | Pezzotta Museo Civico di Storia Naturale in Milan, Italy with Contributions by Christina Denison, Andrea...high Grotta d'Oggi, San Piero in Campo, Elba, Tuscany, Italy Collection Dave Eidahl; photo Erica and Harold...entirely in order to protect the forests of Maremma, Tuscany, and Lazio that had been severely depleted (Bonatti...control of Elba, Piombino, and other parts of Tuscany. In the centuries that followed, Turkish and Saracen...island was divided between Cosimo I, Granduke of Tuscany, who took control of Portoferraio; Spain and subsequently |  | | Book | | felspars) (2) monoclinic (monoclinic felspars, mica, gypsum, augite, hornblende, wolframite) (3) orthorhombic...ideal model shows. Thus we find perfect crystals of gypsum in clays, of garnet and magnetite in various shales...at all. 15 Fig. 5. Various crystal twins: a) gypsum, b) orthoclase (so-called Carlsbad Twin), c) aragonite...the intergrowths, we distinguish contact twins (gypsum, aragonite), and interpenetrated twins (fluorite)...are quite common in nature. Thus we come across limonite in a perfectly bounded crystal form of pyrite |  | | | | wolframite) (3) orthorhombic felspars, mica, gypsum, augite, (aragonite, antimonite, marcasite, barytes...ideal model shows. Thus we find perfect crystals of gypsum in clays, of garnet and magnetite in various shales...all. 15 V Z Fig. 5. Various crystal twins: a) gypsum, b) orthoclase (so-called Carlsbad Twin), c) aragonite...inter- growths, we distinguish contact twins (gypsum, aragonite), and interpenetrated twins (fluorite)...are quite common in nature. Thus we come across limonite in a perfectly bounded crystal form of pyrite |  | | Book | | felspars) (2) monoclinic (monoclinic felspars, mica, gypsum, augite, hornblende, wolframite) (3) orthorhombic...ideal model shows. Thus we find perfect crystals of gypsum in clays, of garnet and magnetite in various shales...all. 15 b C Fig. 5. Various crystal twins: a) gypsum, b) orthoclase (so-called Carlsbad Twin), c) aragonite...the intergrowths, we distinguish contact twins (gypsum, aragonite), and interpenetrated twins (fiuori...are quite common in nature. Thus we come across limonite in a perfectly bounded crystal form of pyrite | | | Book | | felspars) (2) monoclinic (monoclinic felspars, mica, gypsum, augite, hornblende, wolframite) (3) orthorhombic...ideal model shows. Thus we find perfect crystals of gypsum in clays, of garnet and magnetite in various shales...all. 15 b C Fig. 5. Various crystal twins: a) gypsum, b) orthoclase (so-called Carlsbad Twin), c) aragonite...the intergrowths, we distinguish contact twins (gypsum, aragonite), and interpenetrated twins (fluorite)...are quite common in nature. Thus we come across limonite in a perfectly bounded crystal form of pyrite |  | | Journal (issue) | | CREDITO LOMBARDO, AG ENCY E. ACCO UNf 6908/4, MILANO, ITALY. -Please send COPY of your remittance document whit...nel Media Evo come testimoniato dall'esistenza a Massa Marittima, capoluogo dell a zona mineraria, del...a circa il Km. 30,800 e quindi la S.S. 441 per Massa Marittima Risalendo, al primo bivio, verso il paese...riscaldamento per compressione adiabatica, questa enorme massa d'aria non esufficiente nella stagione calda a raffreddare...contrariamente agli altri g iacimenti di pirite dell'area di Massa Marittima-Boccheggiano in cui ii contenuto di questi |  | | Book (edition) | | Bulgaria, G SphaJerite. xx 12 mm, Morococha, Peru, H Gypsum, xx 40 mm, Las Salinas, Peru, H Variscite, xx 5...and several important mineral mixtures. (e.g. limonite and psilomelane) are included here to provide...ability of an opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho-...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga |  | | Journal (issue) | | C. S. Stolburg Minerals of the Pereta mine, Tuscany, Italy .............................................Tazzini Alteration minerals of the Cetine mine, Tuscany, It a ly ..................................27 by.................................... 2 Notes from Italy by G. Porcellini .................................36 Deepwood Crescent Don Mills, Ontario M3C 1N8 Italy: Renato Pagano Via S. Anna 1/B I-34074 Monfalcone...Cuprite Goslarite Gypsum Hematite Hemimorphite Hydrozincite Jarosite Leadhillite Limonite Linarite Malachite |  | | Book | | by the mineral kingdom: minium, cinnabar, and limonite (ochre). The black color was soot. By Egyptian...Law etc. (cf. also pyrite, p. 92; quartz, p. 127; gypsum, p. 177; feldspar, p. 242, etc.). A twinned crystal...Pseudomorphs of limonite after pyrite are common, since pyrite readily decomposes into limonite (see p. 92)...radiate from a common center (hematite or reniform limonite, Pls. 13, p. 73, and 21 , p. 101). Easily crumbled...pyrolusite, or other minerals. Tabular minerals (gypsum, barite, hematire) may occasionally form rosettes |  | | Book | | monoclinic prisms with inclined top and bottom faces gypsum muscovite augite triclinic pairs of faces albite...Multiple twin of pyrites and penetration twin of gypsum. Minerals 15 Geode of amethyst from Brazil...crystals and are of much interest to the collector. Gypsum, barytes and haematite show coarse lamellar crystals...top left lamellar gypsum; top right radial pyrites; bottom left mammillary limonite; bottom right oolitic...scratches topaz easily cannot be scratched talc gypsum calcite fluorspar apatite feldspar quartz topaz |  | | Journal (issue) | | of a world-class legrandite crystal cluster on limonite from the Ojuela mine. got the job done on schedule...olive-green bentonitic claystone in the middle, and gypsum beds at the top of the unit. The presence of evaporitic...evaporitic layers with laminar and nodular gypsum is evidence of strongly arid conditions prevailing during...associated with calcite, analcime, celestine, barite, gypsum and lithiophorite. In the field, areas where the...El Choique mine. Silvia Abad photo. Gypsum CaSO42H2O Gypsum always occurs later than quartz, in rose-like | | | | | up: 1 talc, 2 gypsum, 3 calcite, 4 9 corundum, 10 diamond. |f a mineral will scratch gypsum, but is itself...cube face, fluorite to the octahedral, etc. Mica, gypsum, calcite, felspar, hornblende, augite, chlorite...contained in the sea can be precipitated; beds of gypsum and anhydrite and salt deposits (rock-salt, potassium...majority of residual concentrates (bauxite, laterite, limonite clay). In volcanic regions, volcanic sediments...clay minerals; calcite and dolomite; rock-salt, gypsum and anhydrite. 3. Metamorphic Rocks Rocks once |  | | Book (edition) | | an amorphous variety of hydrated silica; and limonite, an amorphous hydrated iron oxide. CRYSTALLOGRAPHY...orpiment (holohedral) azurite malachite 2/m gypsum OA2.P epidote pyroxenes amphiboles micas monoclinic...Often cer- 27 I Example of pseudomorphism: limonite after pyrite (Brazil) transformations are possible...similar chemical composition (e.g., pyrite by limonite, or azurite by malachite). (Sometimes pseudomorphism...orthoclase; (3, 4) contact twins of fluorite gypsum (.swallowtail) and cassiterite (intergrowth); |  | | Report (issue) | | resources-Continued Clays ____________________________________ _ Gypsum __________________________________ _ Bi'r al Ghanarn-...analyses of samples from the Bi'r al Ghanan-Y afran gypsum deposit. ~ap of Edri salt deposit showing locations...______________ 48. Sketch map of the Gargaresh quarry area near Tripoli_______________________________________________..._______________ 75 49. Photograph of contorted gypsum beds------------------------------------------...------------------77 50. Map of Yafran gypsum-anhydrite deposits and reserve areas__________________ |  | | Book | | hardness scale of ten levels can be set up: 1 talc, 2 gypsum, 3 calcite, 4 fluorspar, 5 apatite, 6 felspar,...corundum, 10 diamond. If a mineral will scratch gypsum, but is itself scratched by calcite, then it is...cube face, fluorite to the octahedral, etc. Mica, gypsum, calcite, felspar, hornblende, augite, chlorite...contained in the sea can be precipitated; beds of gypsum and anhydrite and salt deposits (rock-salt, potassium...majority of residual concentrates (bauxite, laterite, limonite clay). In volcanic regions, volcanic sediments |  | | Book | | do Sul, Brazil * 12.5 x 10 x 10.5 cm Page 252: Gypsum rosette, Red River floodway, Winnipeg, Manitoba...resulting in well-formed collectible crystals such as gypsum (page 252) and epidote (page 221). Solid crystal-filled...new ones are being discovered every year. How Gypsum can we tell them apart? The first step a mineralogist...fine way to recognize their hard work! é oe Gypsum (selenite variety), Galetta, Ontario, Canada *...and we see it as colorless or white (for example, gypsum). Many minerals would be colorless if they were |  | | Journal (article/letter/editorial) | | Crystal-Chemistry of Sulfates from the Apuan Alps (Tuscany, Italy). VII. Magnanelliite, K3Fe3+2(SO4)4 (OH)(H2O)2...Università di Pisa, Via Santa Maria 53, I-56126 Pisa, Italy Dipartimento di Scienze della Terra, Università...di Firenze, Via G. La Pira 4, I-50121 Firenze, Italy; luca.bindi@unifi.it Mineral Sciences Department...discovered in the Monte Arsiccio mine, Apuan Alps, Tuscany, Italy. It occurs as steeply terminated prisms, up...Magnanelliite is associated with alum-(K), giacovazzoite, gypsum, jarosite, krausite, melanterite, and scordariite |  | | Catalog/List | | resembles glauconitic sandstone ................... Italy Tyrol, Seiser Alp ~arge (to l½") trapezohedral crystals...chlorophosphate New Ham.12shire Graf ton Center, Ruggles quarry ...... Olive green masses in pegmatite ...... ARAGONITE...crystalled to crystalline aggregates on and in limonite with malachite ........... Arizona Yavapai County...aluminosilicate New Jersey Phillipsburg, Royal Green quarry Olive green coarse micaceous plates with serpentine...with minor chlorite .................... . Italy Carrara --tlStatuary Marble ti Snow white crystaline |  | | Book | | some resemblance to scales, rose petals, rosettes (gypsum rose); 3 radial bearing some resemblance to radial...Mineral SimEle testing devices 1 2 3 4 5 6 7 talc gypsum calcite fluorite apatite orthoclase quartz topaz...and volcanic vents. Accompanied by: halite, soda, gypsum, calcite, colemanite, kernite, ulexite. Found in:...associated with volcanic vents. Found in: Tuscany, Vesuvius/Italy; Kamchatka/USSR; Ladakh/India; California...in: Saarland; Ruhr valley; Saxony; Vesuvius, Etna/Italy; Hekla/Iceland; Hawai, California/USA; Chile; Peru |
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