 | | Report (issue) | | apatite (Egbe district, Nigeria); quartz, albite, microcline, riebeckite, ferrian biotite, aegirine, zircon...Sweden, at Falun. In the Rosendal pegmatite, Kemiö (Kimito) Island, Finland. From an undefined locality |  | Chadwick, B., Friend, C. R. L., George, M. C., Perkins, W. T. (1993) A new occurrence of musgravite, a rare beryllium oxide, in the Caledonides of North-East Greenland. Mineralogical Magazine, 57 (386) 121-129 doi:10.1180/minmag.1993.057.386.12 | Journal (article/letter/editorial) | | analogue of taaffeite-9R (musgravite), from a pegmatite in Finland has been described by Burke and Lustenhouwer...musgravite occurs within a Late Archaean podiform pegmatite in the granulite facies terrain of Enderby Land...granulite facies assemblages which include quartz, microcline, apatite and sillimanite with subordinate orthopyroxene...formation of pehrmanite in the Finnish granitic pegmatite to the reaction between late-stage Sn- and Be-bearing...sheets of foliated pink granitic rocks in the southwest of Dove Bugt (Fig. 1). The high-grade gneiss terrain |  | Novák, Milan, Vieira, Romeu, Lima, Alexandre, Škoda, Radek, Martins, Tania, dos Anjos Ribeiro, Maria (2009) Ferronigerite with dominant substitution TiSn−1 in muscovite+chlorite aggregate from massive quartz nodule associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal. Neues Jahrbuch für Mineralogie - Abhandlungen, 186 (1) 67-78 doi:10.1127/0077-7757/2009/0132 | Journal (article/letter/editorial) | | associated with a petalite-rich aplite-pegmatite of the Barroso-Alvão pegmatite field, Northern Portugal Milan...the petalite-rich aplite-pegmatite dike Lousas from the Barroso-Alvão pegmatite field. Ferronigerite-6N6S...substitutions, quartz nodule, petalite, aplite-pegmatite, Barroso-Alvão field, Portugal Introduction Nigerite-group...Lousas aplite-pegmatite body intruding metasedimentary rocks, Barroso-Alvão pegmatite field. Grey area...area – aplite-pegmatite body, square – quartz nodule occurrence. b) Schematic description of geological |  | | Journal (issue) | | glacial cirque above the village of Sumjam, on the southwest slopes of the rugged Zanskar Range (figure 3)...through the northeast wall of Kudi Valley shows pegmatite lenses distributed through the altered marble...level Sapphire mines I A- d Back slope I1 Pegmatite lenses Actinolitetremohte body 0 Marble 0 ...body; (6)placers; and (7) typical pegmatite intrusion with large pegmatite boulder below. From photos by... the weathered china clay gives way to solid pegmatite, which required the use of dynamite in later years |  | | Book (edition) | | of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...district, Greenland; in the liparite lavas of the island Pantelleria, Mediterranean Sea, in the Liruei Complex...alkalic igneous gneisses comprised of albite, microcline, alkali amphibole, aegirine-augite, eudialyte...the Akagané mine, Iwate Prefecture, Japan; White Island volcano, New Zealand; near the Santo Nino mine...MODE OF OCCURRENCE: Occurs in large masses in pegmatite at several mines in the Custer-Pringle area, Custer | | | Book (edition) | | of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...district, Greenland; in the liparite lavas of the island Pantelleria, Mediterranean Sea, in the Liruei Complex...alkalic igneous gneisses comprised of albite, microcline, alkali amphibole, aegirine-augite, eudialyte...the Akagane mine, Iwate Prefecture, Japan; White Island volcano, New Zealand; near the Santo Nifio mine...MODE OF OCCURRENCE: Occurs in large masses in pegmatite at several mines in the Custer-Pringle area, Custer |  | | Journal (issue) | | (emerald) crystal, 4.4 cm, found in 1991 in the pegmatite deposit at Jos, Nigeria. William Larson collection;...It’s been over 25 years since I tried to find a pegmatite a “half-mile” from the Palermo mine, in New Hampshire...It was dug out o f a very high M o u n tain in Island [ = Iceland], one w hole side w h e re o f consisteth...Hudson, Wilson and Threadgold (1967) and from a pegmatite in the granulite facies rocks of Casey Bay, Enderby...Lustenhouwer (1981) from the Rosendal pegmatite on Kemio Island in southwestern Finland. Both musgravite and |  | | Book (edition) | | 546 A. Z=8. (TL) Mili. Evvia, and Apika. Andros Island, Greece. Named for I . Abs-Wurmbach. Forms a solid-solution...1 852) Verz. Finland gef. Min .. p. 87 (Adelfolil). (TL) Laurinmaki. Tarnmela. Finland. Named from o...Nicolau and T.A. Haldi ( 1 970) 8111/. Ceo/. Soc. Finland, 42. 53. Syn. Nadelerz. patrinitc. bclonitc (of...up to 10% FeTa 206 • (TL) Penn ikoja. Somero. Finland. Named from aina. ·constant' (Finnish) and A180C...). an impure wollastonite. Amazonite. var. of microcline. A. Breithaupt ( 1 847) 1-/andb. Min., p. 505 |
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