Churchite

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August undefined, 2024

WebJul 1, 2024 · Churchite-type REPO 4 ·2H 2 O (RE = Gd to Lu & Y) materials are a metastable polymorph of the rare-earth phosphate family and adopts a 2D layered structure with the water molecules occupying the interlayer regions. The synthesis and structural properties of churchite materials are not well-studied in comparison to those of other … WebClick here to view Churchite-(Y) data: Locality Data: Click here to view Maike Occurrence, Mayatas ore region, Ulytau, Karaganda Region, Kazakhstan: Data Identifiers: Mindat Occurrence Record ID: 1564665: Long-form Identifier: 1:3:1564665:7: GUID : 0dad1a7a-5554-4848-b582-60e076e77603: Reference Search (possible matching items)

Churchite-(Y) mineral information and data - Dakota …

WebChurchite-(Y) Formula YPO 4 ·2H 2 O Crystal System Monoclinic Crystal Habit Platy, Acicular, Aggregates Cleavage Perfect, None, None Luster Vitreous - Pearly Color colorless, gray, snow white Streak white Class Monoclinic Fracture Conchoidal Hardness 3 . Data courtesy of Webmineral. Collection http://handbookofmineralogy.org/pdfs/churchite-(Y).pdf sold by amazon oil diffuser

CHURCHITE (Hydrated Yttrium Erbium Phosphate)

Webchurchite-(Y) YPO 4 ·2H 2 O, A2/a, 2/m ; gypse CaSO 4 ·2H 2 O, A2/a, 2/m ; pharmacolite CaH(AsO 4)·H 2 O. Cristallographie. Cristaux de gypse avec des inclusions vertes d'herbertsmithite. Ces cristaux ont été découverts à la mine de Polkowice-Sieroszowice en Pologne. La forme cristalline dérive d'un prisme rhomboïdale oblique. ... WebChurchite-(Y) YPO4• 2H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/mor m. Crystals rare, to 6 mm, columnar to acicular, in ﬂat … WebApr 15, 2024 · Churchite materials crystallize as agglomerates of single crystal nanorods and adopts a 2D layered structure TEM images of Churchite-type YPO4.2H2O. (e) The … sold by carin

Rare Earth Minerals - Gallery of Mineral Specimens For …

Churchite

http://handbookofmineralogy.org/pdfs/churchite-(Y).pdf WebBotryoidal layer of pinkish Nd-bearing Churchite-(Y), covering a piece of yellowish orthoclase from granitic pegmatite crust of weathering. Many Nd-bearing minerals in …

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WebThe original chemical analysis of churchite (1865) indicated 51.87 wt.% of Ce 2 O 3 with some didymium (from Cornwall). Unfortunately, the real chemical composition of the … WebAug 6, 2024 · Churchite-(Y) Tweet. Description Tabs. Description. Locality: Maffei Mine, Nitzlbuch, Auerbach in der Oberpfalz, Upper Palatinate, Bavaria, Germany. Class: Massive/Crystalline. Size Range: Small miniature (3-4.5 cm) Size: 3.1 × 2.1 × 1 cm. Description. White crystals of churchite-Y on matrix. Mineral Data. What's on the rock.

WebJul 5, 2024 · Churchite from the Mt Weld carbonatite laterite, Western Australia - Volume 51 Issue 361. Skip to main content Accessibility help We use cookies to distinguish you … WebMay 29, 2009 · Raman spectroscopy has been used to study the rare-earth mineral churchite-(Y) of formula (Y,REE)(PO 4) ·2H 2 O, where rare-earth element (REE) is a …

WebDec 5, 2024 · Rare-earth phosphates with the general formula REEPO 4 ·nH 2 O belong to four distinct structural types: monazite, rhabdophane, churchite, and xenotime. We report herein the first direct comparison between vibrational spectra of these compounds for the same metal cation i.e. gadoli … WebAug 1, 2024 · The churchite materials crystallize in the monoclinic system (Space group – C2/c) and adopt a 2D layered structure with water occupying the interlayer regions. The …

WebAug 1, 2003 · Phase-pure rhabdophane and churchite materials were synthesized using wet-chemistry methods at ~25°C - 50°C. Upon irradiation, these materials transform to the amorphous state at much lower ion-fluences in comparison to their anhydrous counterparts. Amorphous rhabdophane and churchite materials were found to be very sensitive to the … sold by an angel real estateWebChurchite materials (REPO4·2H2O; RE = Gd to Lu) were synthesized by a low-temperature precipitation route, and their crystal structures were determined by powder X-ray … sold by jarrodWebCrystal System: Monoclinic. Name: Named for Arthur Hubert Church (1834-1915), English chemist who described and analyzed the mineral. A neodymium-rich churchite- (Y). … sm04b ghs tbWebGeneral Churchite-(Dy) Information : Chemical Formula: (Dy,Sm,Gd,Nd)(PO4)•2(H2O) Composition: Molecular Weight = 283.93 gm Samarium 5.30 % Sm 6.14 % Sm 2 O 3 Gadolinium 11.08 % Gd 12.77 % Gd 2 O 3 Dysprosium 17.17 % Dy 19.71 % Dy 2 O 3 Phosphorus 10.91 % P 25.00 % P 2 O 5 Hydrogen ... sm05 series threadWebChurchite-(Nd) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr … soldbymikepecoraWebChurchite- (Y) from Kelly Bank mine, Rockbridge Co., Virginia, United States. White hemispherical groups of fine acicular sprays to 1mm. This is a good specimen from an ancient American iron mine. Click thumbnail … sold by midwestWebGeneral Churchite-(Y) Information : Chemical Formula: YPO4•2(H2O) Composition: Molecular Weight = 219.91 gm Yttrium 40.43 % Y 51.34 % Y 2 O 3 Phosphorus 14.08 % … sold by amazon.com meaning