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roscherite

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Journal Article
Published: 01 August 2014
European Journal of Mineralogy (2014) 26 (4): 589–595.
...Nikita V. Chukanov; Gerhard Möhn; Igor V. Pekov; Dmitriy I. Belakovskiy; Yana V. Bychkova; Vladislav V. Gurzhiy; Joachim A. Lorenz Abstract The new mineral okruschite (IMA No. 2013–097), the arsenate analogue of roscherite, was discovered in a hydrothermal vein cross-cutting rhyolite exposed...
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Journal Article
Published: 01 January 2008
American Mineralogist (2008) 93 (1): 1–6.
...Daniel Atencio; Paulo A. Matioli; Jason B. Smith; Nikita V. Chukanov; José M.V. Coutinho; Ramiza K. Rastsvetaeva; Steffen Möckel Abstract Footemineite, ideally Ca 2 Mn 2+ □Mn 2 2+ Mn 2 2+ Be 4 (PO 4 ) 6 (OH) 4 ·6H 2 O, triclinic, is a new member of the roscherite group. It occurs on thin...
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Journal Article
Published: 01 October 2007
The Canadian Mineralogist (2007) 45 (5): 1263–1273.
... roscherite. On l’a trouvé dans des poches d’une pegmatite granitique exploitée à la mine Sapucaia (Proberil), Sapucaia do Norte, comté de Galiléia, Minas Gerais, au Brésil, en association avec albite, muscovite, cyrilovite et meurigite.La ruifrancoïte se présente en aiguilles ou en plaquettes entre 1...
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Journal Article
Published: 01 October 1958
American Mineralogist (1958) 43 (9-10): 824–838.
...Marie Louise Lindberg Abstract New spectrographic and chemical data for roscherite from the Sapucaia pegmatite mine, Minas Gerais, Brazil, from the Nevel Quarry at Newry, Maine, and from the type locality at Greifenstein, Saxony, show that roscherite is a beryllium mineral with formula (Ca, Mn, Fe...
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The IR spectra of phosphate members of the <b>roscherite</b> group; ruifrancoite (...
Published: 01 August 2014
Fig. 4 The IR spectra of phosphate members of the roscherite group; ruifrancoite (1), greifensteinite (2), atencioite (3) and footemineite (4) (after Atencio et al. , 2008 ).
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CRYSTAL-CHEMICAL DATA FOR MONOCLINIC ( C 2&#x2F; c ) <b>ROSCHERITE</b>-GROUP MINERALS
Published: 01 October 2007
TABLE 4. CRYSTAL-CHEMICAL DATA FOR MONOCLINIC ( C 2/ c ) ROSCHERITE-GROUP MINERALS
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CRYSTAL-CHEMICAL DATA FOR TRICLINIC ( P 1̅) <b>ROSCHERITE</b>-GROUP MINERALS
Published: 01 October 2007
TABLE 5. CRYSTAL-CHEMICAL DATA FOR TRICLINIC ( P 1̅) ROSCHERITE-GROUP MINERALS
Image
The crystal structure of a monoclinic <b>roscherite</b>-group mineral.
Published: 01 October 2007
F ig . 5. The crystal structure of a monoclinic roscherite-group mineral.
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The crystal structure of a triclinic <b>roscherite</b>-group mineral. The vacant  ...
Published: 01 October 2007
F ig . 6. The crystal structure of a triclinic roscherite-group mineral. The vacant D (2) octahedron is not shown.
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The crystal structure of fransoletite and <b>roscherite</b>; (a) fransoletite proj...
Published: 01 January 2002
Figure 15. The crystal structure of fransoletite and roscherite; (a) fransoletite projected onto (010); circles are Mn 2+ atoms; chains of BeO 4 and PO 4 tetrahedra extend along a ; (b) fransoletite projected onto (100), a view in which the chains are seen end-on; (c) the structural unit
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The crystal structures of fransoletite, <b>roscherite</b> and spencerite: (a) fran...
Published: 01 January 2002
Figure 9. The crystal structures of fransoletite, roscherite and spencerite: (a) fransoletite projected onto (010); Mn 2+ atoms are shown as circles; (b) fransoletite projected down the a -axis; a view in which the chains are seen end-on; (c) the structural unit in roscherite projected down
Journal Article
Published: 01 August 1992
American Mineralogist (1992) 77 (7-8): 843–847.
... in beryl along with roscherite, montgomeryite, robertsite, mitridatite, whitlockite, and englishite. It occurs as colorless to white spear-shaped blades up to 0.4 × 0.1 × 0.04 mm, as sheaf- and bow tie–like aggregates, and as compact radial sprays to 2 mm in diameter. Individual crystals are flattened...
Journal Article
Published: 01 October 1983
American Mineralogist (1983) 68 (9-10): 1022–1028.
... in small crevices in cleavelandite associated with monoclinic roscherite and minor eosphorite. It is named in honor of Richard V. Gaines. R = 0.055 for 1072 independent reflections. Eight atoms occur in the asymmetric unit of structure and five of these are disordered. Be, P, and 0(3) are half-occupied...
Journal Article
Published: 01 April 1964
American Mineralogist (1964) 49 (3-4): 395–398.
...-like fibers became available during the study of roscherite, (Ca, Mn, Fe) 3 Be 3- (PO 4 ) 3 (OH) 3 · 2H 2 O, another beryllium phosphate from the same locality, the Sapucaia pegmatite mine, Minas Gerais, Brazil (Lindberg, 1958, Fig. 1). The symmetry relationships of faheyite have been reinvestigated...
Journal Article
Published: 01 December 1955
American Mineralogist (1955) 40 (11-12): 952–966.
..., ferrisicklerite, hureaulite, vivianite, strengite, metastrengite, childrenite, variscite, frondelite, faheyite, moraesite, triphylite, montebrasite, roscherite, and apatite. Other accessory minerals are spodumene, beryl, tourmaline, and sulfides. Quartz, perthite, albite, and muscovite are the essential minerals...
Journal Article
Published: 01 October 1949
American Mineralogist (1949) 34 (9-10): 692–705.
...} are noted, and a new habit tabular on {0001} is described. Roscherite, hitherto known only from Ehrenfriedcrsdorf, Saxony, is noted from two new localities: the Nevel mine, Newry, Maine, and Black Mountain, Rumford, Maine. The mineral occurs as fibrous botryoidal masses with albite in pegmatite...
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IR spectrum of ruifrancoite (1). For comparison, IR spectra of other iron-r...
Published: 01 October 2007
F ig . 3. IR spectrum of ruifrancoite (1). For comparison, IR spectra of other iron-rich roscherite-group minerals are given. Greifensteinite (2) is monoclinic, and atencioite (3) is triclinic.
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Mössbauer spectra and Fe coordination polyhedra, with conventions as in  Fi...
Published: 01 May 2014
solely to M2 following the convention established by Li and Shinno (1997) and Liu et al. (2005) . Frondelite DD130 ( Redhammer et al. 2006 ), which belongs to the rockbridgeite groups, has Fe 3+ only located in the M1 site. Both roscherite ( Fanfani et al. 1977 ) and zanaziite ( Rastsvetaeva et al
Journal Article
Published: 30 September 2019
The Canadian Mineralogist (2019) 57 (5): 733–734.
... and muscovite appear to be metasomatised. Pink masses of väyrynenite occur at the area of interaction of lithiophilite with altered beryl. Beryllonite, roscherite, moraesite and hydroxylherderite also occur in this assemblage. Raspberry-red pezzottaite is found near a small pollucite pod and an altered...
Journal Article
Published: 01 January 2002
Reviews in Mineralogy and Geochemistry (2002) 50 (1): 405–444.
...” = bavenite from Strzegom, Poland) and some phosphates, such as roscherite. Application of emission spectrographic analysis was particularly instrumental in unveiling the presence of Be, which was commonly included with Al in classical wet chemical analysis. Chances of unmasking additional new minerals...
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