 | | Report (issue) | | and peat bogs; rarely in caves. Association: Metavivianite, ludlamite, pyrite, pyrrhotite. Distribution:...Peninsula, Ukraine. Huge crystals from Anloua, near Ngaoundéré, Cameroon. In the USA, from the Blackbird Mine |  | | Journal (article/letter/editorial) | | spectra of Catavi vivianite. (a) Cambridge Blue region of crystal cleavage; (b) Saxe Blue margin oxidation...reflectivity study of a vivianite single crystal from Anloua: v3(Wi)= 3125 cm -1, v'l(Wn)= 3260 cm -1, v'3(Wn)=...The spectra closely resemble a powder spectrum of Anloua vivianite given by Piriou and Poullen (1987, Fig...tentatively assigned similar bands in the 800-840 cm -a region of hydrated zinc phosphates to Z n O - H out-of-plane...infrared active v3 bands could be expected in this region for C2h. However, a lowering of' the molecular |  | | Journal (issue) | | doorschijnend (meer details verder in dit artikel) . Anloua, Ngaoudere, Kameroen : spektakulaire kristallen...zuurstoftekort . 3 . Dè vivianietvondst van de eeuw : Anloua-Cameroun - Métersgrote vivrar+ietkristallerr ...groene mika had gevonden in een beek In de buurt van Anloua (18 km ten N W van Ngaounderé) . Via M . Grimaud...intensieve studi e aan werd gewijd (1977-1982) . In Anloua komt ook aardachtige vivianiet voor, en diverse...impregneren met een kunsthars om ze te kunnen bergen . In Anloua werd daarenboven nog een nieuw K-Mg-AI-Ti-fosfaatmineraal |  | | Journal (article/letter/editorial) | | extraction technology. Fine powdered vivianite (Anloua, Cameroon), loaded in a porous thimble made of tough...oxidation into a triclinic phase, which is known as metavivianite. This triclinic substance is composed of polysynthetic...Figure 2 represents the spectra in the paramagnetic region for specimen NR1 at 230 ° K, 265 ° K, and 300 °...while the P - O stretching vibrations occur in the region 1 , 1 0 ~ 960 c m - 1. By analogy to the mineral |  | | Journal (article/letter/editorial) | | 1977. Fig.1. Straalvormig kristalaggregaat van Anloua (Kameroen). De splijting volgens 010, is goed waarneembaar...try. This triclinic p h a s e is c a l l e d metavivianite. A brief survey of matrices in w h i c h vivianite...triclinic symmetry. This triclinic phase is called metavivianite. A brief survey of matrices in which vivianite |  | Dyar, M. D., Jawin, E. R., Breves, E., Marchand, G., Nelms, M., Lane, M. D., Mertzman, S. A., Bish, D. L., Bishop, J. L. (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data. American Mineralogist, 99 (5) 914-942 doi:10.2138/am.2014.4701 | Journal (article/letter/editorial) | | bobierrite 40.3.9.1 metavivianite DD319 60–70% natrolite, and 30–40% metavivianite 40.4.1.2 strengite...Custer, Custer Co., South Dakota Anloua, Adamaoua Plateau, Cameroon Sandamab pegmatite, Namibia Linopolis...2003) DD228, Fe is only in the Fe site. In metavivianite (Chukanov et al. 2012) DD319, Fe2+ is distributed...and Δ = 3.17 mm/s, presumably in the Fe site. Metavivianite. Rastsvetaeva et al. (2012) presented the most...and characterization of the structure of 3+ metavivianite [Fe2+ 3–xFex (PO4)2(OH)x·(8–x)H2O] with an update |  | | Journal (issue) | | (samples of these crystals from kimberlites of this region were kindly submitted to the author by Yana Bao...reveal the rubies. Our field crew worked in this region in 1986 and suggested that the geologists use an...— minerals first discovered in the Crimea; Metavivianite. Kerch deposit. Crystal 2.5 x 1.3 cm. FMM specimen...as visible aggregates which are of interest fora region-mineralogical collection (crystals, dtuses of crystals...(rose-yellow) in calcite. Ukratпka, Simferopol region. Afragment З х З ст. М М мЅбА specimen. 11. Svetloхаriге |  | | Report (issue) | | north or thorn forests in the south. Much of this region awaits exploration. South of the elbow, there are...the road from La Paz to Coroico, in the Yungas region, offers glorious vistas but sees horrific accidents...The name was later changed to Oruro for the Urus region in which it lies. In the seventeenth century, Oruro...reach the meter lengths of crystals from Anloua in Cameroon, but they are still among the largest and...exposed. The most important volcanic rock in the region is the mushroom-shaped Potosi stock, which forms |  | | Book | | grey in reflected light. Alekseev mine, Sutamskii region, Stanovoi Range, USSR. H= 2.3, Djjj=?, D(;=7.80...K)2BaTi2(Si207)2, (SI Orth. Dark brown. Inagli massif, Aldan Region, Yakutiya, USSR. H= 5.9, Djjj= 3.432, Dq=3.46,...Orth. Vitreous yellow, pale yellow-brown. Gomel region, Byelorussia, USSR. H= 5.5-6, Djjj= 3.92, Dc=4...Sr)3Al3(F,OH)jg, E Mon. Translucent white. Yenisei region, USSR. H=4, Din=3.51, Dc=3.32, HIC 08. Povarennykh...greyish-green, black. Kaiser Peak quadrangle. Twin Lakes region, Fresno Co., California, USA. H= 6, Djn=3.72, Dc= |  | | Book (volume) | | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...vibrations of a large number of atoms within the region of coherent vibrations. However, in real periodic |  | | Book (edition) | | Kara-oba Mo-W deposit), Betpakdala desert. Karaganda region, central Kazakhstan. 56. 635, ZV.\.fO 99(3), 333-339...Akhtenskoe deposit. near Magnitka village. Zlatoust region. south Urals, Rus ia. 75, 93 I. /At,:s, ser. gcol...intrusion. Tscpochcchniy intrusive. dikc 08-255, Vil region. Siberia, Russia. 65, 205. ZVMO ll3. 210--215 lead...Slllimanlte. form a • ri with Kanonalte. Andalusia region. Spain A.ndalusitegroup O Andersonite. 1 a:Ca(UO:)(CO...compare Khatyrkite. Bolshoi Anyu River basin. Magadan region, northeast Russia. 76. 299, MZ 11, 88-96 D Apachite |  | | Book | | discovery locality, at the Alekseev mine, Sutamskii region, Stanovoi Range, Russia. Lipovetskil, A.G. et al...after its discovery locality, in the Andalusia region, Spain. Delaméthene, J.C. (1798):J.de Phys. 46...(1978): Am. Mineral. 63, 424. Named after the Aragon region, Spain, where pseudohexagonal twinned crystal forms...barium, titanium, and silicon. Ignali massif, Aldan region, Yakutiya, Russia. Kravchenko, S.M. et al. (1960):...locality, at the Langban mine, Filipstad, Bergslagen region, Varmland, Sweden. Hansen, S. et al. (1984): Z |  | | Book (edition) | | icnl? , Sts %% Sn : ve ' “4 _ = hal, » (Vina 10a), i = Be A 405 iV as dtr as oy aoe...skarn, in the Solvech fluorite deposit, Karagandin region, Kazakhstan, USSR. SELECTED REFERENCE: Shpanovy...sulfide-quartz veins in the Alekseev mine, Sutamskii region, Stanovoi Range, USSR, associated with galena,...Romania; also found in Westphalia, Germany; Tuva Region, USSR; and at the Dogatani mine, Japan. SELECTED...district, Utah; in sulfide veins in the Coeur d’ Alene region, Idaho; at the Antwerp iron mine, Jefferson County | | | Book (edition) | | skarn, in the Solvech fluorite deposit, Karagandin region, Kazakhstan, USSR. SELECTED REFERENCE: Shpanov...sulfide-quartz veins in the Alekseev mine, Sutamskii region, Stanovoi Range, USSR, associated with galena,...Romania; also found in Westphalia, Germany; Tuva Region, USSR; and at the Dogatani mine, Japan. SELEC'fED... Utah; in sulfide veins in the Coeur d ' Alene region, Idaho; at the Antwerp iron mine , Jefferson County...Kalima district, Zaire, at Rwanda in the Kifuruwe region, and at the Nyamulilo mine, Uganda. SELECTED REFERENCE: |  | | Book (edition) | | Unnecessary varietal name. (TL) L1ke Superior region. Alasanitc. error for alazanite. Znp. Vses. Min...thorianite with up to 1 2 wt.% PbO. (TL) Aidan region. eastern Siberi:i. US S R . Named for locality...[PDF 29-765 1. (TL) Alekseev deposit. Sutemskii region, St:inovoi range. USSR. Named for locality. Alexandrite...yellowish green chalcedony from (TL) Death Valley region. California. USA. Amberite. error for amhritc ...geologiques dans les regions a11rifcre de la Sibt!rie, Region aurifere d' lenissei, p. 506 [aurapamffb). p. (i57 |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during...about 20 other quartz mines are operated in the region of the Subpolar Urals, northwest of Saranpaul,...collected intermittently from pegmatites of the region, associated with crystals of corundum, rutile, |
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