Important Update News

The RRUFF Project (rruff.info) is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional.

We are grateful to NASA for the funding of this effort.

Piemontite R061119

Browse Search Results 
<< Previous |  Back to Search Results |  Next >> 
Record 2442 of 4216  


Name: Piemontite
RRUFF ID: R061119
Ideal Chemistry: Ca2(Al2Mn3+)[Si2O7][SiO4]O(OH)
Locality: Muramatsu mine, Kinkai, Nagasaki, Japan
Source: Michael Scott S103609 [view label]
Owner: RRUFF
Description: Red elongated prismatic crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ epidote (31) ]
Quick search: [ All Piemontite samples (3) ]
CHEMISTRY 
RRUFF ID: R061119.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca1.96Mn2+0.04)Σ=2(Mn3+0.64Fe3+0.36)Σ=1Al2.00(Si2.00O7)(Si1.00O4)O(OH); OH assumed by stoichiometry; Mn2+ and Mn3+ splitted by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061119
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
DOWNLOADS:

Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R061119.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.860(1)Å    b: 5.6628(8)Å    c: 10.155(2)Å
alpha: 90°    beta: 115.486(8)°    gamma: 90°   Volume: 459.9(1)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

DOWNLOADS:

DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
X Min:    X Max:    X Sort:
REFERENCES for Piemontite

American Mineralogist Crystal Structure Database Record: [view record]

Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]

Kenngott A (1853) Piemontit, in Das Mohs’sche Mineralsystem Verlag und Druck Wien 74-75   [view file]

Marmo V, Neuvonen K J, Ojanperä P (1959) The piedmontites of piedmont (Italy), Kajlidongri (India), and Marampa (Sierra Leone), Bulletin de la Commission Géologique de Findlande, 184, 11-20   [view file]

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263   [view file]

Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541

Dollase W A (1969) Crystal structure and cation ordering of piemontite, American Mineralogist, 54, 710-717   [view file]

International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 43, 1053-1055   [view file]

Catti M, Ferraris G, Ivaldi G (1989) On the crystal chemistry of strontian piemontite with some remarks on the nomenclature of the epidote group, Neues Jahrbuch für Mineralogie, Monatshefte, 1989, 357-366

Bonazzi P, Garbarino C, Menchetti S (1992) Crystal chemistry of piemontites: REE-bearing piemontite from Monte Brugiana, Alpi Apuane, Italy, European Journal of Mineralogy, 4, 23-33

Bonazzi P, Menchetti S (1994) Structural variations induced by heat treatment in allanite and REE-bearing piemontite, American Mineralogist, 79, 1176-1184   [view file]

Bonazzi P, Menchetti S, Reinecke T (1996) Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece, American Mineralogist, 81, 735-742   [view file]

Langer K, Tillmanns E, Kersten M, Almen H, Arni R K (2002) The crystal chemistry of Mn3+ in the clino- and orthozoisite structure types, Ca2M33+[OH|O|SiO4|Si2O7]: A structural and spectroscopic study of some natural piemontites and “thulites” and their synthetic equivalents, Zeitschrift für Kristallographie, 217, 563-580

Liebscher A (2004) Spectroscopy of epidote minerals, Reviews in Mineralogy and Geochemistry, 56, Mineralogical Society of America 125-170

Armbruster T, Bonazzi P, Akasaka M, Bermanec V, Chopin C, Giere R, Huess-Assbichler S, Liebscher A, Menchetti S, Pan Y, Pasero M (2006) Recommended nomeclature of epidote-group minerals, European Journal of Mineralogy, 18, 551-567   [view file]

Nagashima M, Akasaka M (2010) X-ray Rietveld and 57Fe Mössbauer studies of epidote and piemontite on the join Ca2Al2Fe3+Si3O12(OH) - Ca2Al2Mn3+Si3O12(OH) formed by hydrothermal synthesis, American Mineralogist, 95, 1237-1246   [view file]

Nagashima M, Armbruster T, Akasaka M, Minakawa T (2010) Crystal chemistry of Mn2+-, Sr-rich and REE-bearing piemontite from the Kamisugai mine in the Sambagawa metamorphic belt, Shikoku, Japan, Journal of Mineralogical and Petrological Sciences, 105, 142-150

Nagashima M, Sano Y, Kochi T, Akasaka M, Sano-Furukawa A (2020) Crystal chemistry of Sr–rich piemontite from manganese ore deposit of the Tone mine, Nishisonogi Peninsula, Nagasaki, southwest Japan, Journal of Mineralogical and Petrological Sciences, 115, 391-406   [view file]