 | | Journal (issue) | | 279; Azurite-Bob Howard collection, page 138; Calcite- Kevin Schofield collection, page 228; Pezzottaite-Jim...collection, page 135. Backcover: (lefl column) Calcite-Kevin & Mark Brown collection, page 52; Smoky quartz...mines also yielded fine groups of scalenohedral calcite crystals. The Terlingua mercury district, with...cutting coarse-grained reddish granites of the hilly region thereabouts, known geologically as the Llano Uplift...cm, from Llano County; Bill Morgenstern photo. Calcite, 5.8 cm, from the Mariposa mine, Terlingua; Roh |  | | Journal (article/letter/editorial) | | CH-4001 Basel, Switzerland and Mineralogical Institute of the University CH-4056 Basel, Switzerland Probably...the Alps-and spent most of his spare time in this region and who, moreover, dedicated most of his scientific...excavations in GalloRoman sites in southern Switzerland (Canton Valais, Binn) several crystal treasures...in several large natural history museums in Switzerland and abroad were assembled (for example, the outstanding...underlying calcareous marine sediments in the nappe region. Consequently, the water was greatly enriched in |  | | Journal (article/letter/editorial) | | member touch it becomes a closed twin (fig. 16). Calcite is an excellent species for studying twinning because...The c-axes of calcite twins may be inclined to each other by 53.8 Figure 17. Calcite (3.4 cm) twin with...Madagascar. Carl Francis specimen. Figure 18. Calcite (2.6 cm) twin with c-axes separated by 90.8 degrees...January/February 2018ââ 27 Figure 19 (left). Calcite (4.5 cm) twin with c-axes separated by 127.5 degrees...at 11:41 20 December 2017 Figure 20 (below). Calcite (7.8 cm) twin with c-axes separated by 180 degrees |  | | Journal (issue) | | .. ... 403 by I. V Pekov & I. S. Lykova Sand Calcite from Fontainebleau, France ......................and Beth collected some outstanding butterscotch calcite crystals in the nearby Berry Materials quarry,...Austria; Ste.-Marie-aux-Mines, France; and Zurich, Switzerland, as well as numerous local shows. In the late...clay minerals, cerussite, cuprite, chalcocite and calcite occurred mainly along the pod margins. The walls...carbonates of the smithsonite-siderite series. Calcite CaCO 3 Calcite is not a common mineral in the supergene |  | | Book (volume) | | oc k ,Gr i ms el Pas s ,Gr i ms el Ar ea, Has l i Val l ey ,Ber n,Swi t z er l and 6ât al l x6âwi de 53...Prehnite) Goboboseb Mts., Brandberg Area, Erongo Region, Namibia, 67 Apatite (on Cookeite) Pulsifer Quarry...Aquamarine, Emerald, Morganite, Heliodor) Calcite (Manganocalcite on Calcite & Quartz) Fongjiashan, Daye, Hubei...Hubei Prov., China, 19 (Manganocalcite on Calcite) Fongjiashan, Daye, Hubei Prov., China, 22 (on Stilbite)...Creek Dist., Pinal Co., Arizona, 42 Cubanite (on Calcite) Henderson No 2 Mine, Quebec, Canada, 8 Diopside |  | | Book (volume) | | Milpillas Mine, Sonora, Mexico, 32, 38-39 Barite (on Calcite) Elk Creek, Meade Co., South Dakota, 16 Beryl (see...Yaoganxian Mine, Chen Zhou, Hunan Prov., China, 56 Calcite (on Fluorite) Elmwood Mine, Elmwood, Tennessee...Zhou, Hunan Prov., China, 62 Conichalcite (with Calcite) Ojuela Mine, Mapimi, Durango, Mexico, 43 Copper...Henderson No. 2 mine, Quebec, Canada, 17 Dioptase (on Calcite) Tsumeb, Namibia, 34 Ettringite (on Hematite) N'Chwaning...Brumado, Bahia, Brazil, 22 Cavradi Gorge, St. Gotthard Region, Graubunden, Switzerland, 49 Hyalophane Zagradski |  | | Journal (article/letter/editorial) | | include azurite, pyromorphite, fluorite, quartz, and calcite. Then there are the minerals that collectors have...carbonate, or Fe2+CO3, and is a member of the calcite _ group, crystallizing within the trigonal system...include hematite, magnetite, quartz, cacoxenite, calcite, barite, and various chlorite minerals, but these...encrustation type. Siderite has been known to pseudomorph calcite, dolomite, fluorite, barite, gypsum, galena, and... a rare igneous rock type composed chiefly of calcite but other carbonate minerals as well. Fibrous or |  | | Journal (article/letter/editorial) | | crystals that locally contained sharply defined calcite or ankerite crystal inclusions. Rutile in fine...localities. Fine rutile crystals have been found at Cavradi Gorge, Tavetsch; Lercheltini Alp and other localities...Tessin, Switzerland. In Italy, fine prismatic crystals to several centimeters are recorded from Val Chiusella...crystals are Kragera and Sgndeled in the Arendal region, southern Norway. Rutile crystals, commonly associat116...weighing several ounces have been found in the Busanga region and in tin deposits at Kibara, Zaire. Excellent |  | | Journal (issue) | | Hematite âiron rose,â 3 cm, from St. Gotthard, Switzerland. (11) Tourmaline, 2.6 cm, from Elba, Italy. ...(5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo Republic. (7) Sodalite...window. This case shows his sub-collections of calcite, quartz, pyrite and hematite, one species per shelf...SvĂ€todusna deposit, LubietovĂĄ, BanskĂĄ Bystrica Region, Slovakia. Will and Rika Larson collection; Robert...matrix, 2.7 cm, from the Tsumeb mine, Oshikoto Region, Namibia. From the so-called âgem mimetiteâ pocket |  | | Journal (issue) | | Club. This led to all kinds of field trips in the region, including one of my first trips to collect Herkimer...grossular garnet, diopside, clinozoisite, epidote, calcite, actinolite, galena, molybdenite, chalcopyrite...Fluorite and Calcite (fluorescent) Okorusu Mine, Otjiwarongo District, Otjozondjupa Region, Namibia Large...successfully collected galena, smithsonite, and calcite and druse quartz. Of particular interest were goethite...Ozarks by Bruce L. Stinchomb The Ozarks highland region of the Midwest, located in southern Missouri and |  | | Journal (issue) | | rnineralogy and deposits, sirnilar to those in Switzerland and southern Austria, in the north. (2) Hercynian...climbing rocks exploring for epidote in the famous Val di Viu area, western Alps. Marco Lorenzoni photo...Ca' Bernardi and Perticara mines in the Marches Region, and the sphalerite, chalcopyrite and various rare...workings of an historic gold mine in the Brusson area, Val d' Ayas, western Alps. The locality has recently...- - - - - - - SMJTHSONITE pseudomorph after calcite, 25 cm, from the San Giovanni mine, lglesias, Sardinia |  | | Journal (issue) | | marvelous mineral mystery. lt is from St. Gothard, Switzerland. Tbe foregoing notice of Prof. Srnith's rnineral...minerals, especially vivianite, and of Missouri calcite and galena. Sir Alfred Chester Beatty (1875-1968)...feil in love with a beautiful specimen of pink calcite. I was sitting in the front row [with my father]...collecting; he was a historian of the Pikes Peak Region and in the 1930s began to hike through the mountains...interviewed many of the old pioneers from this region and recounted their stories when he gave talks |  | | Catalog/List | | 1 Mine, Inca de Oro, Chañaral Province, Atacama Region, Chile Terry Szenics has been a tireless digger...Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia It is often said that simplicity is the...Tazenakht, Ouarzazate Province, Souss-Massa-DraĂą Region, Morocco The sere desert of the Bou Azer mining...a modicum of the original coarsely crystalline Calcite matrix has been left. The rounded Talmessite crystal...Dry Gill Mine, Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England, UK When Mimetite |  | | Book | | nepheline, biotite and albite-antiperthite crystals in calcite-cored vein-dikes (by L. Moyd) 21:235-248 ALICE...Rare-earth minerals in the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli)...Cassedanne) 8:382-387 Amethyst from the Thunder Bay region, Ontario (by D. G. Ellion) 13:67-70 New data on...Record bookshelf-A Guide to rite Minerals of Switzerland; Connecticut Mines and Minerals; Mineral Collecting...Rare-earth minerals in the Alpine and Subalpine region [Switzerland, Austria and Italy] (by C. M. Gramaccioli) |  | | Book (edition) | | opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho- beam on...are not abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia)...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...between Monte Cenis and Mont Blanc, as well as in Val Malenco, Lombardy, Italy. A component of some skarns |  | | Journal (issue) | | and opening up a big vein lined with brilliant calcite crystalsâit was so exciting that it constituted... Figure 6. Geologic map of the Northern Walker Lane region of Nevada and California, including Petersen Mountain...Sickinger Quartz, Marmotta cleft, Grimsel, Switzerland, 24 cm Ca The Ekati and Diavik Diamond Mines...25-square-kilometer island in Lac de Gras. The region is part of the arctic tundra, characterized by...little topography it can be extremely windy. The region receives an average of 37.5 cm of precipitation |  | | Journal (issue) | | fine specimens of lemon-yellow wulfenite on white calcite, tbe largest specimen weighing in at 72 pounds...Airport. Single specimens of gold and iridescent calcite are also on long-term loan to the Mesa Southwest...photos are by Ken Don. (left) Cuprite inclusions in calcite, 4.7 cm, from the Pearl Handle pit, Ray mine, Pinal...Hilltop mine, Cochise County, Arizona. Silver on calcite, 6.4 cm, from Superior, Pinal County, Arizona....photo. Hisingerite pseudomorph after ilvaite and calcite, 5.5 cm, from the 1st Sovietskii mine, Dalnegorsk |  | | Journal (issue) | | Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland R H O D O C H R O S IT E fro m th e N âC h w...Switz erland) Robert Sullivan, Jr. (Oberwil, Switzerland) Joseph Taggart (Socorro, NM) Doug and Fran Toland...dred of those famous Swiss âCavradischluchtâ (Cavradi Gorge) hematite crystals from the St. Gothard area...Alpine clefts in the Mont Blanc Swiss-French border region. genbach quarry specimens (see the Record, They...prices would otherwise be way out of reach. buck region. This can produce some surprises both ways. Another |  | | Journal (issue) | | Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica...â The bright pink calcite from Morocco, colored by Co+2, became âcobaltoan calcite.â But waitâshouldnât...either as a suffix or prefix (e.g. âCu-adamiteâ or âcalcite-Coâ), inasmuch as this actually renders a new name... Figure 1. Location map showing the SkarduDassu region of the Northern Territories, Pakistan. The Alchuri...dug from the Ho Nala, a very narrow, very steep gorge between Apaligun and Chhappu, aptly suited for the |
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Cavradi gorge, Val Curnera, Tujetsch, Surselva Region, Grisons, Switzerland