(oh,f,cl)-dominant amphiboles R070276 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Clinoenstatite R070276

Name: Clinoenstatite
RRUFF ID: R070276
Ideal Chemistry: Mg₂Si₂O₆
Locality: Synthetic, at 15 GPa and 1600 C by Juergen Konzett
Source: Juergen Konzett
Owner: RRUFF
Description: Colorless grains associated with stishovite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ pyroxene (81) ]

Quick search: [ All Clinoenstatite samples (2) ]

CHEMISTRY

RRUFF ID:	R070276.2
Measured Chemistry:	Mg_1.00Si_1.00O₃ ; trace to minor amounts of Na
Microprobe Data File:	[ Download Excel File ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Sample is oriented and mounted onto a pin.

Pin ID:

M00224

Orientation:

Laser parallel to c* (0 0 1). Fiducial mark perpendicular to laser is parallel to a [1 0 0].

DOWNLOADS:

To download sample data,
please select a specific
orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R070276

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R070276.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 9.603(4)Å b: 8.815(3)Å c: 5.162(2)Å
alpha: 90° beta: 108.35(3)° gamma: 90° Volume: 414.74(9)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 Clinoenstatite
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]
Lacroix A (1906) La météorite de Saint-Christophe-la-Chartreuse rocheservière (vendée) 5 Novembre 1841, Bulletin de la Société des Sciences Naturelles de l´ouest de la France, 6, 81-112 [view file]
Wahl W (1906) Zur Nomenklatur, in Die Enstatitaugite, (PhD dissertation), 151 pages University of Helsinki Finland 137-141 [view file]
Kuno H, Hess H H (1953) Unit cell dimensions of clinoenstatite and pigeonite in relation to other common clinopyroxenes, American Journal of Science, 251, 741-752
Morimoto N, Appleman D E, Evans H T (1960) The crystal structures of clinoenstatite and pigeonite, Zeitschrift für Kristallographie, 114, 120-147 [view file]
Turnock A C, Lindsley D H, Grover J E (1973) Synthesis and unit cell parameters of Ca-Mg-Fe pyroxenes, American Mineralogist, 58, 50-59 [view file]
Veblen D R, Buseck P R, Burnham C W (1977) Asbestiform chain silicates: New minerals and structural groups, Science, 198, 359-365 [view file]
Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550 [view file]
Angel R J, McCammon C, Woodland A B (1998) Structure, ordering and cation interactions in Ca-free P21/c clinopyroxenes, Physics and Chemistry of Minerals, 25, 249-258
Ulmer P, Stalder R (2001) The Mg(Fe)SiO₃ orthoenstatite-clinoenstatite transitions at high pressures and temperatures determined by Raman-spectroscopy on quenched samples, American Mineralogist, 86, 1267-1274 [view file]
Tribaudino M, Nestola F (2002) Average and local structure in P2₁/c clinopyroxenes along the join diopside-enstatite (CaMgSi₂O₆-Mg₂Si₂O₆), European Journal of Mineralogy, 14, 549-555
Boffa Ballaran T, Carpenter M A (2003) Line broadening and enthalpy: Some empirical calibrations of solid solution behaviour from IR spectra, Phase Transitions, 76, 137-154
Lin C C (2004) Pressure-induced polymorphism in enstatite (MgSiO₃) at room temperature: clinoenstatite and orthoenstatite, Journal of Physics and Chemistry of Solids, 65, 913-921
Yu Y G, Wentzcovitch R M (2009) Low-pressure clino- to high-pressure clinoenstatite phase transition: A phonon-related mechanism, American Mineralogist, 94, 461-466 [view file]
Tribaudino M, Mantovani L, Bersani D, Lottici P P (2012) Raman spectroscopy of (Ca,Mg)MgSi₂O₆ clinopyroxenes, American Mineralogist, 97, 1339-1347 [view file]
Nespolo M, Aroyo M I (2016) The modular structure of pyroxenes, European Journal of Mineralogy, 28, 189-203
Clément M, Padrón-Navarta J A, Tommasi A, Mainprice D (2018) Non-hydrostatic stress field orientation inferred from orthopyroxene (Pbca) to low-clinoenstatite (P2₁/c) inversion in partially dehydrated serpentinites, American Mineralogist, 103, 993-1001
Gao W, Ciobanu C L, Cook N J, Slattery A, Huang F, Wang D (2019) Nanoscale study of lamellar exsolutions in clinopyroxene from olivine gabbro: Recording crystallization sequences in iron-rich layered intrusions, American Mineralogist, 104, 244-261
Lazarz J D, Dera P , Hu Y, Meng Y, Bina C R , Jacobsen S D (2019) High-pressure phase transitions of clinoenstatite, American Mineralogist, 104, 897-904
Yang Y, Liu W, Qi Z, Wang Z , Smyth J R , Xia Q (2019) Re-configuration and interaction of hydrogen sites in olivine at high temperature and high pressure, American Mineralogist, 104, 878-889
Ohi S, Osako T, Miyake A (2022) Effect of grain size, cooling rate, and sample preparation on the phase transition from protoenstatite to clinoenstatite, The Canadian Mineralogist, 60, 405-416

REFERENCES for Clinoenstatite

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]

Lacroix A (1906) La météorite de Saint-Christophe-la-Chartreuse rocheservière (vendée) 5 Novembre 1841, Bulletin de la Société des Sciences Naturelles de l´ouest de la France, 6, 81-112 [view file]

Wahl W (1906) Zur Nomenklatur, in Die Enstatitaugite, (PhD dissertation), 151 pages University of Helsinki Finland 137-141 [view file]

Kuno H, Hess H H (1953) Unit cell dimensions of clinoenstatite and pigeonite in relation to other common clinopyroxenes, American Journal of Science, 251, 741-752

Morimoto N, Appleman D E, Evans H T (1960) The crystal structures of clinoenstatite and pigeonite, Zeitschrift für Kristallographie, 114, 120-147 [view file]

Turnock A C, Lindsley D H, Grover J E (1973) Synthesis and unit cell parameters of Ca-Mg-Fe pyroxenes, American Mineralogist, 58, 50-59 [view file]

Veblen D R, Buseck P R, Burnham C W (1977) Asbestiform chain silicates: New minerals and structural groups, Science, 198, 359-365 [view file]

Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550 [view file]

Angel R J, McCammon C, Woodland A B (1998) Structure, ordering and cation interactions in Ca-free P21/c clinopyroxenes, Physics and Chemistry of Minerals, 25, 249-258

Ulmer P, Stalder R (2001) The Mg(Fe)SiO₃ orthoenstatite-clinoenstatite transitions at high pressures and temperatures determined by Raman-spectroscopy on quenched samples, American Mineralogist, 86, 1267-1274 [view file]

Tribaudino M, Nestola F (2002) Average and local structure in P2₁/c clinopyroxenes along the join diopside-enstatite (CaMgSi₂O₆-Mg₂Si₂O₆), European Journal of Mineralogy, 14, 549-555

Boffa Ballaran T, Carpenter M A (2003) Line broadening and enthalpy: Some empirical calibrations of solid solution behaviour from IR spectra, Phase Transitions, 76, 137-154

Lin C C (2004) Pressure-induced polymorphism in enstatite (MgSiO₃) at room temperature: clinoenstatite and orthoenstatite, Journal of Physics and Chemistry of Solids, 65, 913-921

Yu Y G, Wentzcovitch R M (2009) Low-pressure clino- to high-pressure clinoenstatite phase transition: A phonon-related mechanism, American Mineralogist, 94, 461-466 [view file]

Tribaudino M, Mantovani L, Bersani D, Lottici P P (2012) Raman spectroscopy of (Ca,Mg)MgSi₂O₆ clinopyroxenes, American Mineralogist, 97, 1339-1347 [view file]

Nespolo M, Aroyo M I (2016) The modular structure of pyroxenes, European Journal of Mineralogy, 28, 189-203

Clément M, Padrón-Navarta J A, Tommasi A, Mainprice D (2018) Non-hydrostatic stress field orientation inferred from orthopyroxene (Pbca) to low-clinoenstatite (P2₁/c) inversion in partially dehydrated serpentinites, American Mineralogist, 103, 993-1001

Gao W, Ciobanu C L, Cook N J, Slattery A, Huang F, Wang D (2019) Nanoscale study of lamellar exsolutions in clinopyroxene from olivine gabbro: Recording crystallization sequences in iron-rich layered intrusions, American Mineralogist, 104, 244-261

Lazarz J D, Dera P , Hu Y, Meng Y, Bina C R , Jacobsen S D (2019) High-pressure phase transitions of clinoenstatite, American Mineralogist, 104, 897-904

Yang Y, Liu W, Qi Z, Wang Z , Smyth J R , Xia Q (2019) Re-configuration and interaction of hydrogen sites in olivine at high temperature and high pressure, American Mineralogist, 104, 878-889

Ohi S, Osako T, Miyake A (2022) Effect of grain size, cooling rate, and sample preparation on the phase transition from protoenstatite to clinoenstatite, The Canadian Mineralogist, 60, 405-416