 | | Journal (article/letter/editorial) | | The Trimouns Quarry Luzenac, Ariège, France Freddy Marty Rue de l’Hôpital 11230-Chalabre France In recent...recent decades, the Trimouns quarry has become well known as a source of outstanding crystals of several...rare ones such as hingganite, iimoriite and dissakisite. Beautiful micromount-size specimens are the...contact zone of the Trimouns talc/chlorite deposit, where large-scale mining for talc may now be approaching...approaching its end. INTRODUCTION The Trimouns talc-chlorite deposit is a mineral locality of international |  | | Report (issue) | | Gatelite-(Ce) (Ca, Ce)4(Al, Mg, Fe)4(Si2O7)(SiO4)3(O, F, OH)3 Crystal Data: Monoclinic. Point Group:...700 μm; as oriented intergrowths in törnebohmite-(Ce) with [010] of both species parallel. Physical Properties:...0.245 [1.34] 0.103 98.780 (1) Trimouns talc deposit, Luzenac, Ariège, French Pyrenees, H2O calculated...the presence of minute lamellae of törnebohmite-(Ce). Mineral Group: Gatelite supergroup, gatelite group...portions of a talc deposit. Association: Pyrite, aeschynite-(Y), dolomite, törnebohmite-(Ce), dissakisite-(Ce) |  | | Journal (article/letter/editorial) | | pages 223–228, 2003 Gatelite-(Ce), a new REE-bearing mineral from Trimouns, French Pyrenees: Crystal structure...polysomatic relationships with epidote and törnebohmite-(Ce) PAOLA BONAZZI,1,* LUCA BINDI,1 AND GIANCARLO PARODI2...Naturelle, 61 rue Buffon, F-75005 Paris, France ABSTRACT Gatelite-(Ce), ideally (Ca1REE3)S=4[Al2(Al,Mg)(Mg...newly identified mineral from the Trimouns talc deposit, Luzenac, Ariège, French Pyrenees. The mineral occurs...törnebohmite(Ce). Associated minerals include pyrite, aeschynite-(Y), dolomite, törnebohmite-(Ce), dissakisite(Ce) |  | | Report (issue) | | “bigger” than the rhodochrosite of the Sweet Home mine, and right now the big news appertaining thereto...website (collectorsedge.com) is offering 16 Sweet Home mine rhodochrosite specimens, thumbnail to cabinet-size...6.7 cm, from the Detroit City Portal, Sweet Home mine, Alma, Park County, Colorado. Collector’s Edge specimen;...(WeinrichMineralsInc.com) also has some newly emerged Sweet Home mine rhodochrosite specimens, as well as other items...the Shijiangshan lead-zinc mine at Lixi, Inner Mongolia, China (this mine, begun in 2008, has also turned |  | | Journal (article/letter/editorial) | | Crystal System if M1 = Mg. Otherwise Allanite-(Ce) (Ca,Ce,La)2(Al,Fe2+,Fe3+)3Si3O12(OH) Monoclinic a proper...Monoclinic attached; the prefixes Allanite-(Y) (Y,Ce,Ca)2(Al,Fe3+)3Si3O12(OH) Monoclinic ferro and mangano...respecDissakisite-(Ce) Ca(Ce,La)MgAl2(SiO4)3(OH) Monoclinic Dissakisite-(La) Ca(La,Ce)MgAl2(SiO4)3(OH)...Ce)MgAl2(SiO4)3(OH) Monoclinic tively. The dominant Dollaseite-(Ce) CaCeMg2AlSi3O11(F,OH)2 Monoclinic cation on A2 (other...desigFerriallanite-(Ce) CaCeFe3+AlFe3+Si3O12(OH) Monoclinic nation. Table 2 shows Khristovite-(Ce) (Ca,REE)REE(Mg |  | | Journal (article/letter/editorial) | | mineral gatelite-(Ce) solely by homovalent substitutions, i.e., gatelite-(Ce), perbøeite-(Ce), and ferriperbøeite-(Ce);...ferriperbøeite-(Ce); (ii) the västmanlandite group – includes members typified by the mineral västmanlandite-(Ce)...västmanlandite-(Ce). This group is derived from gatelite-(Ce) by homovalent substitutions and one coupled heterovalent...M1[M3+] + O4[O2] ! M1[M2+] + O4[F]. Västmanlandite-(Ce) is the unique member of this potential group; and...by the mineral alnaperbøeite-(Ce). This group is derived from gatelite-(Ce) by homovalent substitutions |  | | Journal (issue) | | Associate Editors Pierre Bariand Sorbonne Paris , France Bill Birch Museum of Victoria Melbourne, Australia...Pierre-Nicolas Schwab Orleans , France The Trimouns Quarry, Luzenac, Ariege, France ...................... 225...Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook, IL Werner Lieber Heidelberg...RECORD COVER: (center) ALLANITE(Ce) crystal, 6 mm; (upper right) PARISITE-(Ce) crystal, 5.5 mm; (lower left)...IIMORIITE-(Y) crystal, 2 mm-All from the Trimouns talc quarry near Luzenac, France (see the article beginning on |  | Varlamov, D. A., Ermolaeva, V. N., Chukanov, N. V., Jančev, S., Vigasina, M. F., Plechov, P. Yu. (2019) New Data on Epidote-Supergroup Minerals: Unusual Chemical Compositions, Typochemistry, and Raman Spectroscopy. Geology of Ore Deposits, 61 (8) 827-842 doi:10.1134/s1075701519080130 | Journal (article/letter/editorial) | | supergroup including the minerals, in which Cr, Ga, La, Ce, Nd, and Pb are the species-defining components,...clinopyroxenes, amphiboles, phlogopite, chlorite, and talc. Among the accessory minerals in these associations...minerals with zones of piemontite (1), allanite-(Ce) (2), “ferripiemontite-(Pb)” (3) in association with...minerals of these samples are cellular zoned baryte, talc, and clinopyroxene. In Sample 5, piemontite, “ferripiemontite”...almeidaite (4), zincohögbomite (5), and Zn-bearing talc (6) (Sample 7); (c) grains of epidote-supergroup |  | | Journal (article/letter/editorial) | | Mössbauer spectroscopy. Cerite-(Ce) is, together with ferriallanite-(Ce), the most important REE mineral...occurrences worldwide, the present samples of cerite-(Ce) are poor in Ca and enriched in Mg and F. Calcium...apfu, and is mainly in the trivalent state. Cerite-(Ce) is a major carrier of Y (up to 3.5 wt.% Y2O3). Fluorbritholite...in REE and Y occur, ranging from fluorbritholite-(Ce) to the unaccredited member “fluorbritholite-(Y)”...with Ca < 2 and (REE + Y) > 3 apfu. Västmanlandite-(Ce) is another important host for the REE in subtype |  | | Journal (issue) | | net SEPTEMBER–OCTOBER 2023 Articles The Dry Gill Mine, Caldbeck, Allerdale, Cumbria, England............containing a wet and dry cave environment and a mine. He was active in the Tucson Gem and Mineral Society...TRINCHILLO TOURMALINE WITH LEPIDOLITE Cruzeiro Mine, Brazil 16 cm | w w w.FineMineral.com Fine... /crystal.classics.fine.minerals The Dry Gill Mine Caldbeck, Allerdale, Cumbria, England Peter S. Burr...to green, barrel-shaped crystals at the Dry Gill mine in Cumbria, England. It is among the most attractive |  | | Report (volume) | | named after its locality Andros Island/Greece; dissakisite(Ce) (Grew et al. 1991), named from Greek dissakis...Mg analogue has been described twice; dollaseite-(Ce) (Peacor and Dunn 1988), named after W. A. Dollase...definitive research on the epidote minerals; khristovite-(Ce) (Pautov et al. 1993), named after the Russian geologist...ilvaite A M1M2M3 [O/(OH)2/ Si2O7] gatelite-(Ce) A1A(2,3,4) M1M2a,bM3 [O/(OH)2/ (SiO4)3/Si2O7]...structure. In the newly described mineral gatelite-(Ce) (Bonazzi et al. 2003), modules of the epidote-type |  | | Journal (issue) | | ., No 1. Mimetite, variety Campylite, Dry Gill mine, Caldbeck Fells, Cumbria . _ ... Specimen: 135...(Telephone 0872 223227). August 2nd: Visit to Dufron Mine, Dufton, near Appleby. Meet at Dufton Village municipal...01-4171-680). October 4th: Visit to Force Crag Mine, Keswick. Meet at Braithwaite Church, by Coledale...bolrwoodite (Figure 1) from the Rossing mine, the largest open-cast uranium mine in the world (itself depicted...were collected. These include those for which the mine is well known, such as cobaltite, smolianinovite |  | | Book | | Canada (16), People's Republic of China (11), and France (10). These numbers do not necessarily reflect...of a Russian mineral). However, in the case of France, the majority of the ten species were described...Brazil Bulgaria Canada Chile Czech Republic Finland France Germany Greece India Italy Japan Kazakhstan Kyrgyzstan... NEW MINERALS Abenakiite-( Ce) 1990-1994 Hexagonal (trigonal) Na26 (Ce,REEMSi0 3 MP0 4 MC0 3 MS4+0...mangan-neptunite, polylithionite, serandite and steenstrupine-(Ce). General appearance: An ellipsoidal crystal approximately |  | | Book | | O–H-stretching vibrations of some magnesium serpentines and talc. One cannot exclude that this band corresponds to...smectites, members of the kaolinite-serpentine group, talc, vermiculite, mixed-layer minerals) are important...groups (n = 0, 1, or 2). Based on the analogy with talc, it was supposed (Wilkins 1967) that the replacement...Dickite 3704, 3654, 3622 Nacrite 3703, 3647, 3629 Talc 3676, 3660w Pyrophyllite 3675, 3647w Muscovite...phenomenon was explained by the presence of the talc component Mg3(Si4O10)(OH)2. IR spectra of synthetic |  | | Book | | 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...overflow —_Lat. fluere, to flow Old English ca.450-1050 CE krup-yo, to conceal, hide Gk. kryptein, to hide |
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Trimouns Talc Mine, Luzenac, Foix, Ariège, Occitanie, France