Crystal-chemical behavior of Fe2+ in tourmaline dictated by structural stability: insights from a schorl with formula NaY(Fe2+2Al)Z(Al5Fe2+)(Si6O18)(BO3)3(OH)3(OH,F) from Seagull batholith (Yukon Territory, Canada)
Sign Up to like & getrecommendations! Published in 2020 at "Physics and Chemistry of Minerals"
DOI: 10.1007/s00269-020-01094-7
Abstract: A black tourmaline sample from Seagull batholith (Yukon Territory, Canada) was established to be a schorl with concentrations of Fe2+ among the highest currently found in nature (FeOtot ~ 18 wt.% and Fe2+ ~ 100%… read more here.
Keywords: nay fe2; si6o18 bo3; tourmaline; fe2 ... See more keywords
Photocatalytic purification of vehicle exhaust using CeO2–Bi2O3 loaded on white carbon and tourmaline
Sign Up to like & getrecommendations! Published in 2021 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-020-11899-2
Abstract: Photocatalysts are environmentally friendly materials that can be used to degrade vehicle exhaust. CeO 2 –Bi 2 O 3 loaded on white carbon and tourmaline, as the favorable absorption materials, was prepared respectively for vehicle… read more here.
Keywords: tourmaline; carbon; photocatalytic purification; vehicle exhaust ... See more keywords
Geochemistry and formation of tourmaline nodules in Mashhad leucogranite, Iran
Sign Up to like & getrecommendations! Published in 2017 at "Geosciences Journal"
DOI: 10.1007/s12303-016-0027-8
Abstract: Nodular tourmalines composed of dark cores and white haloes occur in the Mashhad leucogranite. The cores are made up of tourmaline and quartz, and the haloes of quartz, muscovite, microcline and orthoclase. The host granite… read more here.
Keywords: tourmaline; tourmaline nodules; formation tourmaline; mashhad leucogranite ... See more keywords
The boron isotopic evolution of the Little Three pegmatites, Ramona, CA
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2017.04.016
Abstract: Abstract Tourmaline, mica, hambergite, danburite, and axinite from three pegmatite dikes (named Main, Swamp, and Spessartine) at the Little Three mine near Ramona, California, have been analyzed by secondary ion mass spectrometry (SIMS) for their… read more here.
Keywords: three pegmatites; tourmaline; boron isotopic; little three ... See more keywords
The origin of pyroelectricity in tourmaline at varying temperature
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.02.064
Abstract: Abstract Although tourmaline is a common pyroelectric material, the origins of pyroelectricity in tourmaline at varying temperature are still unclear. In the present work, based on the crystallographic data obtained from X-ray diffraction refinement, we… read more here.
Keywords: tourmaline; temperature; tourmaline varying; intrinsic electric ... See more keywords
Syn-metamorphic B-bearing fluid infiltrations deduced from tourmaline in the Main Central Thrust zone, Eastern Nepal Himalayas
Sign Up to like & getrecommendations! Published in 2019 at "Lithos"
DOI: 10.1016/j.lithos.2019.105175
Abstract: Abstract Mode of occurrence and chemical composition of tourmaline in pelitic schists from the Main Central Thrust (MCT) zone of the Lesser Himalayan Sequences (LHS) are described in detail with the aim of deducing the… read more here.
Keywords: central thrust; syn metamorphic; pelitic schists; tourmaline ... See more keywords
Tourmaline and quartz in the igneous and metamorphic rocks of the Tashisayi granitic batholith, Altyn Tagh, northwestern China: Geochemical variability constraints on metallogenesis
Sign Up to like & getrecommendations! Published in 2021 at "Lithos"
DOI: 10.1016/j.lithos.2021.106358
Abstract: Abstract This study examines five rock units related to the Tashisayi chrysoberyl-bearing granitic batholith, Altyn Tagh, NW China: biotite granite, two-mica granite, muscovite granite, granitic pegmatite, and the surrounding biotite plagiogneiss. Three types of tourmalines… read more here.
Keywords: batholith; batholith altyn; granitic batholith; pegmatite ... See more keywords
Changes in tourmaline composition during magmatic and hydrothermal processes leading to tin-ore deposition: The Cornubian Batholith, SW England
Sign Up to like & getrecommendations! Published in 2017 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2016.11.012
Abstract: To investigate the potential of tourmaline as a geochemical monitor, a comprehensive dataset on major, minor and trace element concentrations as well as Fe3+/ΣFe ratios of tourmaline is presented. The dataset includes samples from five… read more here.
Keywords: tourmaline; cornubian batholith; composition; magmatic hydrothermal ... See more keywords
CeO2 stabilized by tourmaline as a novel inorganic filler to simultaneously increase the conductivity and durability of proton exchange membranes
Sign Up to like & getrecommendations! Published in 2023 at "Inorganic Chemistry Frontiers"
DOI: 10.1039/d3qi00450c
Abstract: An effective new bifunctional inorganic filler, tourmaline (TM)-loaded CeO2 core-shell micronanostructure (TM-CeO2), was designed and implemented to simultaneously increase the stability and proton conductivity of perfluorosulfonic acid (PFSA)-based proton exchange... read more here.
Keywords: proton exchange; inorganic filler; conductivity; simultaneously increase ... See more keywords
Development and Re‐Evaluation of Tourmaline Reference Materials for In Situ Measurement of Boron δ Values by Secondary Ion Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2020 at "Geostandards and Geoanalytical Research"
DOI: 10.1111/ggr.12326
Abstract: Six tourmaline samples were investigated as potential reference materials (RMs) for boron isotope measurement by secondary ion mass spectrometry (SIMS). The tourmaline samples are chemically homogeneous and cover a compositional range of tourmaline supergroup minerals… read more here.
Keywords: mass; reference materials; boron; tourmaline samples ... See more keywords
Tourmaline from the Solnechnoe tin deposit, Khabarovsk Krai, Russia
Sign Up to like & getrecommendations! Published in 2019 at "Mineralogical Magazine"
DOI: 10.1180/mgm.2019.72
Abstract: Abstract Tourmaline from the Solnechnoe hydrothermal granitoid-related tin deposit in the Khabarovsk Krai, Russian Far East has been studied with electron microprobe, infrared and Mössbauer spectroscopy. Tourmaline formed in three distinct stages with different types… read more here.
Keywords: tourmaline; tourmaline solnechnoe; tin deposit; stage ... See more keywords