 | | Journal (article/letter/editorial) | | [(NH4)2Mg2(H2O)20]·[V10O28] Burro mine, Slick Rock district, San Miguel Co., Colorado, USA (38°20 4200 N, 108°530 2300...(NH4,Mg0.5)5(Al5Si31O72) · 22H2O Libous lignite quarry, near Chomutov, Ustí Region, Bohemia, Czech Republic...Britvin *E-mail: nikchukanov@yandex.ru Zeolite supergroup Orthorhombic: Immm a = 19.10(1), b = 14.15(1)...Bindi *E-mail: fernando.camara@unimi.it Spinel supergroup Cubic: Fd3m; structure determined a = 8.1950(1)...Andreas Karlsson *E-mail: dan.holtstam@nrm.se Amphibole supergroup Monoclinic: C2/m; structure determined |  | | Journal (article/letter/editorial) | | (NH4)2Mg2(H2O)20] [V10O28] Burro mine, Slick Rock district, San Miguel Co., Colorado, USA (38°2’42”N, 108°53’23”W) Anthony...Ferrierite-NH4 (NH4,Mg0.5)5(Al5Si31O72)·22H2O Libous lignite quarry, near Chomutov, Ústí Region, Bohemia, Czech Republic...Britvin *E-mail: nikchukanov@yandex.ru Zeolite supergroup Orthorhombic: Immm a = 19.10(1), b = 14.15(1)...Bindi *E-mail: fernando.camara@unimi.it Spinel supergroup Cubic: Fd 3 m; structure determined a = 8.1950(1)...Andreas Karlsson *E-mail: dan.holtstam@nrm.se Amphibole supergroup Monoclinic: C2/m; structure determined a |  | | Journal (article/letter/editorial) | | and they mainly comprise alkali feldspar and amphibole, which is similar to the mineral assemblage of...main mineral assemblage is alkali feldspar and amphibole with minor clinopyroxene. alkali feldspar is the...transparent (fresh) –white color (altered), while amphibole is fine–grained and dark–green color. Minerals...sodium amphibole of alkali feldspar (>85 vol%) followed by minor amounts of sodium amphibole (4–8 vol%)...to 7 mm theup 20ss022-1, the sodium amphibole, quartz,amphibole, and other quartz, and other accessory |  | | Journal (article/letter/editorial) | | Anatomy of a Recharge Magma: Hornblende Dacite Pumice from the rhyolitic Tshirege Member of the Bandelier...compositionally and texturally variable silicic dacite pumice (~ 67 to 72% SiO2) that is widely distributed...The dacite can be broken into three petrographic pumice types resulting from different degrees of dacite–rhyolite...in the dominantly rhyolitic Askja 1875 (Iceland) pumice deposit. Small amounts of a more mafic component...2014). It contains a small proportion of dacite pumice scattered throughout the thickness of the tuff |  | Belakovskiy, Dmitriy I., Cámara, Fernando, Gagne, Olivier C., Uvarova, Yulia (2016) New Mineral NamesAradite and ZadoviteChlorkyuygenite, Fluorkyuygenite, FluormayeniteChubaroviteCryobostryxiteFerriakasakaite-(La) and Ferriandrosite-(La)Ferro-pedriziteFlamiteFlinteiteFluorchegemiteFluor-tsilaisiteGatedaliteKononoviteMendigiteNabimusaite. American Mineralogist, 101 (7) 1709-1716 doi:10.2138/am-2016-nmn101714 | Journal (article/letter/editorial) | | R. Bailau, and V.V. Sharygin (2015) Mayenite supergroup, part I: Recommended nomenclature. European Journal... Zadov, and P. Dzierżanowski (2015) Mayenite supergroup, part II: Chlorkyuygenite from Upper Chegem,...V. Krivovichev, and R. Wirth (2015) Mayenite supergroup, part III: Fluormayenite, Ca12Al14O32[o4F2],...mayenite: The mayenite supergroup recommended nomenclature The new mayenite supergroup nomenclature accepted...Ferriakasakaite-(La) and ferriandrosite-(La): New epidote supergroup minerals from Ise, Mie Prefecture, Japan. Mineralogical |  | | Book (edition) | | groups: epidote supergroup (Armbmster et al., EJM 18, 551-567, 2006), sapphirine supergroup (Grew et al....2008), alunite supergroup (Bayliss et al., MM 74, 919-927, 2010), apatite supergroup (Pasero et al.,...2010), pyrochlore supergroup (Atencio et al., CM 48, 673-698, 2010), tourmaline supergroup (Henry et al...., AM 96, 895-913, 2011), amphibole supergroup (Hawthorne et al., AM 97, 2031-2048, 2012), heteropolymolybdates... hydrotalcite supergroup (Mills et al., MM 76, 12891336, 2012), hollandite supergroup (Biagioni et al |  | Smirnov, S Z, Rybin, A V, Kruk, N N, Timina, T Yu, Sokolova, E N, Kuzmin, D V, Maksimovich, I A, Kotov, A A, Shevko, A Ya, Nizametdinov, I R, Abersteiner, A (2019) Parental Melts and Magma Storage of a Large-volume Dacite Eruption at Vetrovoy Isthmus (Iturup Island, Southern Kuril Islands): Insights into the Genesis of Subduction-zone Dacites. Journal of Petrology, 60 (7) 1349-1370 doi:10.1093/petrology/egz032 | Journal (article/letter/editorial) | | amphibolebearing assemblages. The breakdown of amphibole in the partially melted precursor rocks led to...the thermal breakdown of hydrous minerals (e.g. amphibole) in metamorphic or hydrothermally altered rocks...highest outcrops are from 150 m above sea level. Pumice clasts were studied individually to minimize possible...magma mixing. Co-deposited and even co-erupted pumice clasts may be derived from different depths or...Petrographic sections were used for the study of the pumice structure and phenocryst intergrowths under polarized |  | Richards, Jeremy P., Razavi, Amir M., Spell, Terry L., Locock, Andrew, Sholeh, Ali, Aghazadeh, Mehraj (2018) Magmatic evolution and porphyry–epithermal mineralization in the Taftan volcanic complex, southeastern Iran. Ore Geology Reviews, 95. 258-279 doi:10.1016/j.oregeorev.2018.02.018 | Journal (article/letter/editorial) | | exploration. Electron microprobe analyses of amphibole (magnesio-hastingsite) phenocrysts and magnetite–ilmenite...%, as indicated by the ubiquitous presence of amphibole phenocrysts. Major and trace element compositions...5.1. 40 Ar/39Ar geochronology Biotite and amphibole from unaltered rocks from the Taftan and Bazman...petrographic study, those samples that had unaltered amphibole and biotite were crushed and sieved; heavy minerals...using bromoform liquid, and whole biotite and amphibole crystals or cleavage fragments were hand-picked |  | Lacalamita, M., Balassone, G., Schingaro, E., Mesto, E., Mormone, A., Piochi, M., Ventruti, G., Joachimski, M. (2017) Fluorophlogopite-bearing and carbonate metamorphosed xenoliths from theCampanian Ignimbrite (Fiano, southern Italy): crystal chemical, geochemical and volcanological insights. Mineralogical Magazine, 81 (5) 1165-1189 doi:10.1180/minmag.2016.080.155 | Journal (article/letter/editorial) | | colour, relatively fine-grained, and contains sparse pumice lapilli and rare scoria lapilli towards the top...dispersed blocky pumice clasts. The uppermost incoherent unit consists of coarse pumice clasts within an...Grey Ignimbrite (Fig. 2), close to the so-called quarry “B” of Scacchi (1890). These rocks range from ∼8–14...Following Hawthorne et al. (2012), the Fiano amphibole can be ascribed to a sodic-calcic variety, and...content (∼ 2 vs. 1.27 apfu in Somma-Vesuvius amphibole). Very low contents of Mg (0.03 apfu) and Mn (0 |  | | Journal (article/letter/editorial) | | disequilibrium textures of phenocrysts (mica, amphibole, clinopyroxene, olivine and plagioclase) contained...plagioclase (15%), mica (2%), Fe-Ti oxides (1%), amphibole (1%), pyroxene (1%), olivine (1%), and fluoroapatite...suggesting greater amounts of Fe3+ (Fig. 5d). Amphibole crystals are subeuhedral or rounded and also present...et al. (2006, 2008). The mean composition of amphibole (Table 2) calculated using the Locock's spreadsheet...05Al1.95) O22(F0.12OH1.88). According to the amphibole nomenclature approved by IMA2012 (Hawthorne et |  | Rooyakkers, Shane M., Wilson, Colin J. N., Schipper, C. Ian, Barker, Simon J., Allan, Aidan S. R. (2018) Textural and micro-analytical insights into mafic–felsic interactions during the Oruanui eruption, Taupo. Contributions to Mineralogy and Petrology, 173 (5) doi:10.1007/s00410-018-1461-6 | Journal (article/letter/editorial) | | crystal sizes (amphibole: 14–45 µm; plagioclase: 21–75 µm) and aspect ratios (amphibole: 1.7–4.2; plagioclase:...plagioclase: 2.1–4.0), area number densities (amphibole: 122–2660 mm−2; plagioclase: 117–2990 mm−2), area...and the relative abundance of plagioclase and amphibole (ϕplag/ϕamph = 1.0–4.6). Textural parameters vary...which textural parameters could be quantified. Amphibole, clinopyroxene, oxides and voids were readily...pixel-counting “measure” function of ImageJ. Analysis of amphibole and plagioclase micro-crystal sizes, shapes, orientations |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...Edenville, large, fine crystals of spine!, titanite, amphibole and pyroxene have been found since the early 19th...1991). Simdeled, Aust-Agder. Early in 1999, in a quarry near S~ndeled, collectors opened a pocket containing...2000). PORTUGAL Montijos quarry, Monte Redondo, Leiria Estremadura. The Montijos gabbro quarry at Monte |  | | Book | | nature, the band I could be also assigned to the amphibole modules which may occur as a defect part in pyroxene...nomenclature of amphibole-supergroup minerals (Hawthorne et al. 2012b), the amphibole supergroup is divided...charge-arrangements and type of B-group cations. In an amphibole with an empty A site, hydroxyl completes the octahedral...the IR spectrum of synthetic monoclinic (P21/m) amphibole Na(NaMg)Mg5(Si8O22)(OH)2 into the bands at 3742...Hydroxyl Groups in Tourmalines The tourmaline supergroup includes trigonal and, rarely, pseudo-trigonal |  | | Book (edition) | | 220 samples of obsidian were analyzed from Pueblo Grande in Phoenix. Four were from the Sand Tanks location...Cavern claim, Big Bertha Extension Mine, Veta Grande claim, and Purple Cow Ledge. Preference is aiven...25 ) Si8 O 2/OH\. An iron-rich member of the amphibole group of rockforming minerals, actinolite forms...near Kingman Feldspar Mine, in a small satellite quarry in a pegmatite occurrence located 1.5 km ALPHABETICAL...Sacaton Mountains, about ten miles north of Casa Grande, in metamorphosed sediments encased in granodiorite |  | | Book | | diasper, cinnabar, antimonium, sulfur, saltpeter, pumice stone, corals, and various animal fossils. It is...detto volgarmente carbon fossile (On anthracite or quarry coal, commonly called hard coal). 59 However, coal...analyze the quality of the soil on the hill where the quarry was located. Subsequently, he had to investigate...Stefano Dominici. Figure 14 – Actinolite (Amphibole supergroup), Banat, Romania, Inv. n. G11118 (size 5x12x7...ments in the Development of Earth Sciences in Portugal (18th Century).” Centaurus 53 (2): 116–34. Oldroyd |
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