.... These features were confirmed by comparing the Raman spectra of bjarebyite and kulanite. §   Corresponding author e-mail address : pietro.vignola@idpa.cnr.it , pietroevignola@gmail.com 22 December 2015 5 April 2016 The aim of this paper is to describe the crystal chemistry...

... ironstones and shales exposed on a high ridge on the west side of Big Fish River, Yukon, Canada. The associated minerals include siderite, lazulite, an arrojadite-group mineral, kulanite, gormanite, quartz, and collinsite. Bobdownsite from the Yukon is tabular, colorless, and transparent, with a white streak...

...), scorzalite, kulanite, wyllieite, and carbonate-apatite. Secondary phases identified in altered lithiophilite include hureaulite, triploidite, eosphorite, robertsite, fillowite, wyllieite, dickinsonite, fairfieldite, Mn-chlorapatite, and rhodochrosite. Initial subsolidus metasomatism of the lithium minerals...

... ), kulanite, Ba \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathrm{Fe}_{2}^{2+}\) \end{document} Al 2 (PO 4 ) 3 (OH) 3 ( Mandarino and Sturman, 1976 ; Cooper and Hawthorne, 1994...

... at 665 cm −1 may be attributed to PO 4 ν 4 vibrations. Table 7 Comparison of related minerals. Mineral Strontioperloffite Bjarebyite Johntomaite Kulanite Perloffite Penikisite Formula ( Sr , Ba ) Mn 2 2 + Fe 2 3 + ( PO 4 ) 3...

... is as follows: Zircon is calculated using Zr; TiO 2 is allocated to anatase or rutile; P 2 O 5 is allocated to kulanite, Ba(Fe 2+ ,Mn,Mg) 2 (Al,Fe 3+ ) 2 (PO 4 ) 3 (OH) 3 , (detected by SEM); CaO is allocated to calcite (detected by XRD and DRIFTS); The weight loss from 150°C to 300°C...

...) 2.88 F 0.13 ] ∑3.01 . Relationship to other species : A member of the bjarebyite group, specifically the ferric-iron-dominant analogue of kulanite, BaFe 2+ 2 Al 2 (PO 4 ) 3 (OH) 3 . Name : After John Toma (b. 1954), the amateur mineralogist who found the mineral and provided the type...

...Figure 3 Mössbauer spectra and Fe coordination polyhedra, with conventions as in Figure 1 . Kulanites ( Cooper and Hawthorne 1994 ) MDD16 and ML-P32 are both dominated by doublets from Fe 2+ in varying permutations of the M2 sites, likely caused by different next nearest neighbors. Five...

... ): Kulanite, a new barium iron aluminum phosphate from the Yukon Territory, Canada . Can. Mineral. , 14 , 127 – 131 . Meethong , N. , Huang , H.-Y.S. , Speakman , S.A. , Carter , W.C. , Chiang , Y.-M. ( 2007 ): Strain accommodation during phase transformations in olivine-based...

... is due to the alteration of beryl and Ba-rich K-feldspar. Other secondary Ba-bearing minerals, such as kulanite, BaFe 2 2 + Al 2 (PO 4 ) 3 (OH) 3 and fluorarrojadite-(BaNa), Na 2 CaBaFe 2+ Fe 13 2 + Al (PO 4 ) 11 (PO 3 OH)F 2 , were also observed as alteration products...

... a general sequence of alteration for montebrasite: primary montebrasite → secondary montebrasite → hydroxylapatite + crandallite → hydroxylapatite + muscovite + brazilianite + augelite + scorzalite + kulanite + wyllieite → muscovite → carbonate–apatite (with tentative identification of italicized...

..., griphite, hagendorfite, harrisonite, heneuite, hentschelite, huréaulite, hurlbutite, hydroxylapatite, jagowerite, johntomaite, juonniite, kuannersuite-(Ce), kulanite, landesite, libethenite, lithiophilite, lithiophosphate, ludlamite, magniotriplite, manganosegelerite, mcauslanite, mélonjosephite, meta...

..., pollucite, lazulite and strontiohurlbutite. Massive montebrasite crystals in this zone are frequently altered to secondary phosphate minerals: palermoite, bertossaite, kulanite and hydroxylapatite ( Yang et al ., 1995 ). Finally, most of the spodumene crystals in zones III and IV were completely altered...

... alkaline ultramafic complex, Kola Peninsula, Russia. Mitchell, R.H. et al. ( 2000 ): Can. Mineral. 38 , 617 . (Fe,Ir,Os,Ru), hexagonal, P 6 3 / mmc A member of the Bjarebyite group. It is the ferric-iron-dominant analogue of kulanite , and the ferrous-iron-dominant analogue...

.... Falster A.U. Simmons W.B. ( 2007 ) Parascholzite, keckite, gormanite and other previously unreported secondary species and new data on kulanite and phosphophyllite from the Palermo no. 1 mine, North Groton, New Hampshire . Rocks and Minerals , 82 , 145 . Schofield P.F. Knight K.S...