Optimal Raman-scattering signal for estimating the Fe content on the clinozoisite–epidote join

M Nagashima, B Mihailova - European Journal of Mineralogy, 2023 - ejm.copernicus.org
To provide a tool for fast estimation of the Fe 3+ content in Ca 2 (Al, Fe 3+) 3 Si 3 O 12 (OH)
epidote grains, including in thin sections and crude-rock samples, we applied Raman …

Distribution of Sc3+ at the octahedral sites and its effect on the crystal structure of synthetic Sc-bearing clinozoisite on the Ca2Al3Si3O12 (OH)-Ca2Al2ScSi3O12 (OH) …

M Nagashima, Y Morifuku, B Mihailova - Physics and Chemistry of …, 2024 - Springer
Synthetic Sc-bearing clinozoisite on the Ca2Al3Si3O12 (OH)-Ca2Al2Sc3+ Si3O12 (OH) join
was studied by single-crystal X-ray diffraction to understand better the distribution of Sc3+ …

Vanadoallanite-(La): a new epidote-supergroup mineral from Ise, Mie Prefecture, Japan

M Nagashima, D Nishio-Hamane… - Mineralogical …, 2013 - pubs.geoscienceworld.org
The new mineral, vanadoallanite-(La), found in the stratiform ferromanganese deposit from
the Shobu area, Ise City, Mie Prefecture, Japan, was studied using electron microprobe …

Synthesis and crystal chemistry of mukhinite, V-analogue of clinozoisite on the join Ca2Al3Si3O12(OH)–Ca2Al2VSi3O12(OH)

M Nagashima, D Nishio-Hamane, N Nakano… - Physics and Chemistry …, 2019 - Springer
This is the first report of the crystal structure of mukhinite, V-analogue clinozoisite, on the join
Ca 2 Al 3 Si 3 O 12 (OH)–Ca 2 Al 2 V 3+ Si 3 O 12 (OH) synthesized at 1.5 GPa and 800° C …

Crystal chemistry of synthetic Ca2Al3Si3O12OH–Sr2Al3Si3O12OH solid-solution series of zoisite and clinozoisite

G Dorsam, A Liebscher, B Wunder… - American …, 2007 - pubs.geoscienceworld.org
Coexisting solid-solution series of synthetic zoisite-(Sr) and clinozoisite-(Sr) were
synthesized in a 1 M (Ca, Sr) Cl2 solution at 2.0 GPa, 600° C for 6 days in a piston cylinder …

Chromian epidote in omphacite rocks from the Sambagawa metamorphic belt, central Shikoku, Japan

M Nagashima, M Akasaka, T Sakurai - Journal of mineralogical and …, 2006 - jstage.jst.go.jp
Chromian epidote was found in pebbles of omphacite rock derived from the Sambagawa
metamorphic rocks in central Shikoku, Japan. The pebbles consist of chromian epidote …

Dissakisite-(La), mukhinite, and clinozoisite:(V, Cr, REE)-rich members of the epidote group in amphibole–pyrite–pyrrhotite metabasic rocks from Pezinok, Rybnícˇek …

P Bačík, P Uher - The Canadian Mineralogist, 2010 - pubs.geoscienceworld.org
Abstract Epidote-group minerals (EGM), including some of unusual chemical compositions,
occur with pyrite and pyrrhotite in the Lower Paleozoic carbonaceous amphibole schist of …

X-ray Rietveld and 57Fe Mössbauer studies of epidote and piemontite on the join Ca2Al2Fe3+Si3O12(OH)–Ca2Al2Mn3+Si3O12(OH) formed by …

M Nagashima, M Akasaka - American Mineralogist, 2010 - pubs.geoscienceworld.org
Abstract Fe3+ and Mn3+ distributions on octahedral M1, M2, and M3 sites in synthetic
epidote/piemontite from Ca2Al2Fe3+ q Mn3+ 1− q Si3O12. 5 starting material and their …

A crystal-chemical investigation of clinozoisite synthesized along the join Ca2Al3Si3O12(OH)-Ca2Al2CrSi3O12(OH)

M Nagashima, CA Geiger… - American …, 2009 - pubs.geoscienceworld.org
Cr3+-bearing clinozoisite along the join Ca2Al3Si3O12 (OH)-Ca2Al2Cr3+ Si3O12 (OH) was
synthesized using cold-seal pressure vessels at P H2O= 0.35 to 0.40 GPa and T= 500° C …

Ferriakasakaite-(La) and ferriandrosite-(La): new epidote-supergroup minerals from Ise, Mie Prefecture, Japan

M Nagashima, D Nishio-Hamane… - Mineralogical …, 2015 - pubs.geoscienceworld.org
The new REE-rich, monoclinic, epidote-supergroup minerals ferriakasakaite-(La) and
ferriandrosite-(La), found in tephroite±calcite veinlets cutting the stratiform ferromanganese …