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Nyerereite - Wikipedia

Nyerereite is a very rare sodium calcium carbonate mineral with formula Na2Ca( CO3)2. It forms colorless, platey pseudohexagonal orthorhombic crystals that ...

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Nyerereite: Mineral information, data and localities.

Nyerereite mineral data, information about Nyerereite, its properties and worldwide locations.

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Nyerereite Mineral Data

Name Origin: Named after the president of Tanzania, Julius K. Nyerere (1922-). Help on Name Pronunciation: Name Pronunciation: Nyerereite + Pronunciation ...

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AMCSD Search Results - RRuff

Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania. Note: low-temperature polymorph that inverted from the high-temperature ...

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Chemical composition of nyerereite and gregoryite from ...

6 Jan 2010 ... Alkali carbonates nyerereite, ideally Na2Ca(CO3)2 and gregoryite, ideally Na2CO3, are the major minerals in natrocarbonatite lavas from ...

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Nyerereite Na2Ca(CO3)2

Nyerereite. Na2Ca(CO3)2 c 2001-2005 Mineral Data Publishing, version 1. Crystal Data: Orthorhombic, pseudohexagonal. Point Group: mm2. Crystals are flat.

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Nyerereite from carbonatite rocks at Vulture volcano: implications for ...

We compare the rare occurrence of nyerereite at Vulture with other ... nyerereite ultramafic rocks immiscibility deep carbon plume mantle—core boundary.

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ALEX STREKEISEN-Nyerereite-

Nyerereite is a very rare sodium calcium carbonate mineral with formula Na2Ca( CO3)2. It forms colorless, platey pseudohexagonal orthorhombic crystals that ...

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(PDF) Chemical Composition of Nyerereite and Gregoryite from ...

Alkali carbonates nyerereite, ideally Na2Ca(CO3)2 and gregoryite, ideally Na2CO3, are the major minerals in natrocarbonatite lavas from Oldoinyo Lengai  ...

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Incommensurately modulated twin structure of nyerereite Na1.64K0 ...

Abstract. Incommensurately modulated twin structure of nyerereite Na1.64K0. 36Ca(CO3)2 has been first determined in the (3+1)D symmetry group ...

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Raman spectra of nyerereite, gregoryite, and synthetic pure Na2Ca ...

12 Apr 2019 ... Raman spectra of nyerereite, gregoryite, and synthetic pure Na2Ca(CO3)2: diversity and application for the study micro inclusions.

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Nyerereite and nahcolite inclusions in diamond: evidence for lower ...

Nyerereite and nahcolite have been identified as micro- and nano-inclusions in diamond from the Juina area, Brazil. Alongside them are Sr- and Ba-bearing ...

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High‐pressure Raman study of nyerereite from Oldoinyo Lengai ...

17 Apr 2019 ... A rare sodium carbonate nyerereite, (Na,K)2Ca(CO3)2, first found in unique natrocarbonatite lava of Oldoinyo Lengai volcano, also attracted a ...

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Nyerereite: a new volcanic carbonate mineral from Oldoinyo Lengai ...

28 Jul 2010 ... Abstract. Nyerereite has the idealized composition (Na0.82K0.18)2Ca(CO3)2 with significant minor substitution of SO42−, PO43−, F for ...

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Incommensurately modulated twin structure of nyerereite Na1.64K0 ...

29 Mar 2019 ... Incommensurately modulated twin structure of nyerereite Na1.64K0.36Ca(CO3)2 . Bolotina NB(1), Gavryushkin PN(2), Korsakov AV(2), ...

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Sylvite and fluorite microcrysts, and fluorite-nyerereite intergrowths ...

13 Apr 2019 ... Abstract. Natrocarbonatite lavas erupted from hornitos T37B and T49B at Oldoinyo Lengai (Tanzania) during 23-30 July, 2000 are unusual in ...

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Incommensurately modulated twin structure of nyerereite Na 1.64 K ...

The incommensurately modulated twin structure of nyerereite Na1.64K0.36Ca( CO3)2 has been first determined in the (3 + 1)-dimensional symmetry group ...

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Nyerereite: a new volcanic carbonate mineral from Oldoinyo Lengai ...

23 Jul 1976 ... I. Introduction. Nyerereite, an orthorhombic carbonatc mineral of composition approximating to (Na,K)2Ca(C03b was discovered by J. B. ...

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Nyerereite dictionary definition | nyerereite defined

nyerereite definition: Noun (countable and uncountable, plural nyerereites) 1. ( mineralogy) A mineral with the chemical formula Na2Ca(CO3)2....

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Nyerereite and

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NYEREREITE – PIRSSONITE – CALCITE – SHORTITE ...

1 Aug 2008 ... Nyerereite, gregoryite and sylvite are all unstable under atmospheric conditions. Fresh rocks can be observed only for a short time after ...

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High-pressure Raman study of nyerereite from Oldoinyo Lengai ...

A rare sodium carbonate nyerereite, (Na,K)2Ca(CO3)2, first found in unique natrocarbonatite lava of Oldoinyo Lengai volcano, also attracted a lot of attention as ...

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Mantle metasomatism and alkali carbonatite silicate phase reaction ...

15 Oct 2008 ... Mantle metasomatism and alkali carbonatite silicate phase reaction as inferred by Nyerereite inclusion in Vulture volcano carbonatite rocks.

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Chemical composition of nyerereite and gregoryite from ...

Alkali carbonates nyerereite, ideally Na 2 Ca(CO 3 ) 2 and gregoryite, ideally Na 2 CO 3 , are the major minerals in natrocarbonatite lavas from Oldoinyo Lengai ...

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Nyerereite Market, market research reports, market insights, future ...

Nyerereite Market - Global industry segment analysis, regional outlook, share, growth; Nyerereite Market forecast 2019 to 2027 by future market insights.

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Trace element geochemistry of nyerereite and gregoryite ...

1 Nov 2012 ... The abundances of Li, P, Cl, V, Mn, Rb, Sr, Y, Cs, Ba, Pb, Th, U and REE, within and between, phenocrysts of nyerereite and gregoryite ...

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nyerereite [Na2CaCO32] :: English-German ... - dict.cc dictionary

dict.cc English-German Dictionary: Translation for nyerereite [Na2CaCO32]

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Raman spectra of nyerereite, gregoryite, and synthetic pure Na2Ca ...

1 Nov 2019 ... Raman spectra of nyerereite, gregoryite, and synthetic pure Na2Ca(CO3)2: diversity and application for the study micro inclusions.

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Raman spectra of nyerereite, gregoryite, and synthetic pure Na2 Ca ...

Title: Raman spectra of nyerereite, gregoryite, and synthetic pure Na2 Ca(CO3 )2 : diversity and application for the study micro inclusions. Authors: Golovin, A. V. ...

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Incommensurately modulated twin structure of nyerereite Na1.64K0 ...

The incommensurately modulated twin structure of nyerereite Na1.64K0.36Ca( CO3)2 has been first determined in the (3 + 1)-dimensional symmetry group ...

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Hydrothermal Synthesis and Structure Solution of Na2Ca (CO3) 2 ...

3 Feb 2019 ... Crystals of Na2Ca(CO3)2, the structural analogues of mineral nyerereite, were synthesized using hydrothermal technique at 1 kbar and 450 °C.

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Просмотр записей

Because natrite, Na2CO3, Na-Ca carbonate (shortite and/or nyerereite), and calcite, CaCO3, have been recently reported from xenoliths of shallow mantle ...

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Nyerereite from carbonatite rocks at Vulture volcano: implications for ...

phenocrysts, which include the Na-K-Ca-carbonate nyerereite within melilite. We surmise that ... We compare the rare occurrence of nyerereite at Vulture with.

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Nyerereite and nahcolite inclusions in diamond: evidence for lower ...

28 Jan 2020 ... Kaminsky, F., Wirth, R., Matsyuk, S., Schreiber, A., Thomas, R. (2009): Nyerereite and nahcolite inclusions in diamond: evidence for ...

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Potassium sulfides in kimberlite-hosted chloride-"nyerereite" and ...

Sharygin, VV, Kamenetsky, VS and Kamenetsky, MB 2008 , 'Potassium sulfides in kimberlite-hosted chloride-"nyerereite" and chloride clasts of Udachnaya-East  ...

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Nyerereite Mineral Gallery in Online Mineral Museum Photographic ...

Online mineral museum photograph archive of minerals: Nyerereite Mineral Gallery.

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Nyerereite

Kladno Mine, Libušin, Kladno, Central Bohemian Region, Czech Republic. Thumbnail (1-3cm). Sold. SHS81634. Gregoryite & Nyerereite. Mount Oldoinyo ...

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Implications for the Differentiation and Low-temperature ...

The pseudoternary system Na 2 CO 3 –CaCO 3 –MgF 2 (NC–CC–MF) includes synthetic analogs of nyerereite (NY), gregoryite (NC) and neighborite (PV).

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Trace element geochemistry of nyerereite and gregoryite ...

1 Nov 2012 ... Trace element geochemistry of nyerereite and gregoryite phenocrysts from natrocarbonatite lava, Oldoinyo Lengai, Tanzania: Implications for ...

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of Mineral Nyerereite

3 Feb 2019 ... Crystals of Na2Ca(CO3)2, the structural analogues of mineral nyerereite, were synthesized using hydrothermal technique at 1 kbar and 450 °C.

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