- R061119 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Piemontite R061119

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:	(Ca_1.96Mn²⁺_0.04)_Σ=2(Mn³⁺_0.64Fe³⁺_0.36)_Σ=1Al_2.00(Si_2.00O₇)(Si_1.00O₄)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.

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)
	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

Calculated diffraction file.

File Type Information

Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

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]

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]