About: PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL

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About: PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Potassium feldspar crystals from the Alto da Cabeca (Boqueirao), Rio Grande do Norte (sample BQ) and the Morro Redondo, Minas Gerais (sample MR) pegmatites in Brazil have a typical adularia fourling habit consisting of a combination of Baveno and Manebach twins. Crystal morphology suggests a monoclinic symmetry, but XRPD measurements and TEM experiments show that the samples are low microcline. Calculated values of triclinicity [Delta = 0.915 (BQ) and Delta = 0.9225 (MR)], cell parameters [a 8.587(4), b 12.969(4), c 7.223(2) angstrom, alpha 90.66(3) beta 115.97(4), gamma 87.69(3)degrees for BQ and a 8.584(3), b 12.970(3), c 7.225(2) angstrom, alpha 90.66(3) beta 115.97(3), gamma 87.74(3)degrees for MR), t(1)o occupancy of Al [0.99 (BQ) and 0.98 (MR)], order index [Delta(SM) = 0.97 (BQ) and Delta(SM) = 0.99 (MR)] and Sigma Al at the T-1 sites [98.6% (BQ) and 99.5% (MR)] reveal a triclinic symmetry and a high state of order for the samples of potassium feldspar. Potassium feldspar crystals from the Alto da Cabeca (Boqueirao), Rio Grande do Norte (sample BQ) and the Morro Redondo, Minas Gerais (sample MR) pegmatites in Brazil have a typical adularia fourling habit consisting of a combination of Baveno and Manebach twins. Crystal morphology suggests a monoclinic symmetry, but XRPD measurements and TEM experiments show that the samples are low microcline. Calculated values of triclinicity [Delta = 0.915 (BQ) and Delta = 0.9225 (MR)], cell parameters [a 8.587(4), b 12.969(4), c 7.223(2) angstrom, alpha 90.66(3) beta 115.97(4), gamma 87.69(3)degrees for BQ and a 8.584(3), b 12.970(3), c 7.225(2) angstrom, alpha 90.66(3) beta 115.97(3), gamma 87.74(3)degrees for MR), t(1)o occupancy of Al [0.99 (BQ) and 0.98 (MR)], order index [Delta(SM) = 0.97 (BQ) and Delta(SM) = 0.99 (MR)] and Sigma Al at the T-1 sites [98.6% (BQ) and 99.5% (MR)] reveal a triclinic symmetry and a high state of order for the samples of potassium feldspar. (en)
Title	PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL (en)
skos:prefLabel	PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL (en)
skos:notation	RIV/00216224:14310/12:00064418!RIV13-MSM-14310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Škoda, Radek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	163475
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/12:00064418
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	low microcline; adularia; pseudomorph; granitic pegmatite; Brazil (en)
http://linked.open.../riv/klicoveSlovo	adularia low microcline granitic pegmatite pseudomorph Brazil
http://linked.open...odStatuVydavatele	CA - Kanada
http://linked.open...ontrolniKodProRIV	[98407F43045C]
http://linked.open...i/riv/nazevZdroje	Canadian Mineralogist
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	50
http://linked.open...iv/tvurceVysledku	Škoda, Radek Barreto, Sandra de Brito Bermanec, Vladimir Dodony, Istvan Gobac, Zeljka Zigovecki Horvat, Marija Scholz, Ricardo Wegner, Reinhard Zebec, Vladimir
http://linked.open...ain/vavai/riv/wos	000314174400014
issn	0008-4476
number of pages	13 (xsd:int)
http://bibframe.org/vocab/doi	10.3749/canmin.50.4.975
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	PSEUDOMORPHS OF LOW MICROCLINE AFTER ADULARIA FOURLINGS FROM THE ALTO DA CABECA (BOQUEIRAO) AND MORRO REDONDO PEGMATITES, BRAZIL

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