 | | Journal (article/letter/editorial) | | from the active volcano Nyiragongo in the Virunga province of the East African Rift contains globules of...leucite- and melilite-bearing nephelinite from Nyiragongo in the Virunga volcanic province, Democratic...which were first found in one single sample of melilite nephelinite) and the rare barium silicate mineral...study, we have examined samples of leucite and melilite nephelinite to constrain the mineral assemblages...an active stratovolcano in the Virunga volcanic province in the western branch of the East African Rift |  | Warchulski, Rafał, Gawęda, Aleksandra, Kupczak, Krzysztof, Banasik, Kamila, Krzykawski, Tomasz (2020) Slags from Ruda Śląska, Poland as a large-scale laboratory for the crystallization of rare natural rocks: melilitolites and paralavas. Lithos, 372. 105666pp. doi:10.1016/j.lithos.2020.105666 | Journal (article/letter/editorial) | | Ruda Śląska the Journal Pre-proof assemblage melilite ± pseudowollastonite ± wollastonite ± plagioclase..., olivine, pyroxene, melilite, feldspar), as well as oxides (e.g., spinel group minerals, hematite) accompanied...2016). re Slags from Ruda Śląska are composed of melilite + glass ± pseudowollastonite ± wollastonite ±...et al., 2019). The subject of this study, the melilite ± pseudowollastonite ± wollastonite ± plagioclase...al., 2019), representing the assemblage of re melilite + pseudowollastonite + wollastonite + plagioclase |  | | Book (edition) | | Republic). W.D. Birch (Australia), Elena Bonaccorsi (Italy), Ernst A.J. Burke (Netherlands), L.J. Cabri (Canada)...M. Dcliens (Belgium). Giancarlo Delia Ventura (Italy), T.S. Ercit (Canada). Alexander Falster (USA)....(Canada). L.A. Groat (Canada). Alessandro Guastoni (Italy), William A. Henderson. Jr. (USA). D.D. Hogarth...(ltaly). Igor Pekov (Russia), atale Perchiazzi (Italy). Ole V. Petersen (Denmark). Fedcrico Pezzotta (ltaly)...Minerals that are listed as belonging to the same group are similarly closely comparable in composition |  | | Book (edition) | | to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture) |  | | Book (edition) | | extensively rewritten by the book's distinguished group of authors in the light of new research and important...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossa,y of Mineral...letters pointing out that for some entries our space group, Z, and lattice constants are mutually exclusive...trigonal. Class: Classes are designated by their point group symmetry. Note that as mineralogists we use the | | | Book (edition) | | extensively rewritten by the book’s distinguished group of authors in the light of new research and important...beeen foe We @ Wadeetin relvvagigld .xteliliey? santa rowan leks ) Get « ryi St pewory sine toting bee...all varietal names, synonyms, spelling variants, group names, and so forth; only names in contemporary...contemporary use have been included. Most of the mineral group lists presented were taken from the Glossary of Mineral...letters pointing out that for some entries our space group, Z, and lattice constants are mutually exclusive |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Short Hills, New Jersey. Renato Pagano: Milan, Italy. Ole V. Petersen: Geologisk Museum, Copenhagen,...Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three |  | | Book | | recommendations on the nomenclature of the amphibole group, published in the Mineral. Mag. (1978, 42, 533)...p. 433 (Adigeite). A mineral of the serpentine group with the composition 5Mg0.3Si02.3^-4H20, from Mt...from a lapis-lazuli mine, Sar-e-Sang, Badakshan province, Afghanistan. The powder diagram is near that...a veinlet of Co and Ni minerals in a serpentine quarry near Oxford, Llano Co., Texas, contains red-violet...8-899, b 7-065, c 6-644 A, /? 97-25°, 4 space group C2/m. Composition 2[CoC12.6H20], with small amounts |  | | Book (edition) | | belongs to a broader group of related minerals, the name adopted for the group is given beneath the formula...editions of this book. Brieny. within each anionic group the minerals arc arranged in order determined by...those of the alkaline earths, etc. Within each group the minerals are tabulated with increasing anion...7.3 AbernalhJile. K(U00As0,.4H�O. Meta-autunite group. M.E. Thompson. B. Ingram. and E.B. G ross ( 1 956)...p. 579. Abkhazite. syn. of tremolite. Amphibole group. N.E. E fremov ( 1 940 for 1 938) Trans. 111st. |
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