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

Walstromite R070634

Name: Walstromite
RRUFF ID: R070634
Ideal Chemistry: BaCa₂Si₃O₉
Locality: Esquire number 8 mine, Big Creek, Fresno County, California, USA
Source: Michael Scott S100311 [view label]
Owner: RRUFF
Description: Colorless massive with pronounced cleavage, strong orange-pink fluorescence under long-wave ultraviolet light
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

CHEMISTRY

RRUFF ID:	R070634.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(Ba_0.96Sr_0.02Ca_0.02)_Σ=1(Ca_1.98Mn_0.02)_Σ=2Si_3.00O₉; trace amounts of Ti
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:

R070634

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R070634.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 6.751(1)Å b: 9.630(3)Å c: 6.697(2)Å
alpha: 69.61(1)° beta: 102.23(1)° gamma: 96.92(2)° Volume: 398.3(1) Crystal System: triclinic

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 Walstromite
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]
Eskola P (1922) The silicates of strontium and barium, American Journal of Science, 4, 331-375
Glasser F P, Dent Glasser L S (1961) Crystallographic study of Ca₂BaSi₃O₉, Zeitschrift für Kristallographie, 116, 263-265 [view file]
Glasser F P, Dent Glasser L S (1964) Additional notes on margarosanite, American Mineralogist, 49, 781-782 [view file]
Alfors J T, Stinson M C, Matthews R A, Pabst A (1965) Seven new barium minerals from eastern Fresno County, California, American Mineralogist, 50, 314-340 [view file]
Dent Glasser L S, Glasser F P (1968) The crystal structure of walstromite, American Mineralogist, 53, 9-13 [view file]
Machida K, Adachi G, Shiokawa J, Shimada M, Zoizumi M, Suito K, Onodera A (1982) High-pressure synthesis, crystal structures, and luminescence properties of europium (II) metasilicate and europium (II)-activated calcium and strontium metasilicates, Inorganic Chemistry, 21, 1512-1519
Kanzaki M, Stebbins J F, Xue X (1991) Characterization of quenched high pressure phases in CaSiO3 system by XRD and 29Si NMR, Geophysical Research Letters, 18, 463-466
Gasparik T, Wolf K, Smith C M (1994) Experimental determination of phase relations in the CaSiO3 system from 8 to 15 GPa, American Mineralogist, 79, issue 11-12 1219-1222
Joswig W, Stachel T, Harris J W, Baur W H, Brey G P (1999) New Ca-silicate inclusions in diamonds - tracers from the lower mantle, Earth and Planetary Science Letters, 173, 1-6
Joswig W, Paulus E F, Winkler B, Milman V (2003) The crystal structure of CaSiO₃-walstromite, a special isomorph of wollastonite-II, Zeitschrift für Kristallographie, 218, 811-818
Nasdala L, Brenker F E, Glinnemann J, Hofmeister W, Gasparik T, Harris J W, Stachel T, Reese I (2003) Spectroscopic 2D-tomography: Residual pressure and strain around mineral inclusions in diamonds, European Journal of Mineralogy, 15, issue 6 931-935
Brenker F E, Vincze L, Vekemans B, Nasdala L, Stachel T, Vollmer C, Kersten M, Somogyi A, Adams F, Joswig W, Harris J W (2005) Detection of a Ca-rich lithology in the Earth's deep (>300 km) convecting mantle, Earth and Planetary Science Letters, 236, issue 3-4 579-587
Brenker F E, Vollmer C, Vincze L, Vekemans B, Szymanski A, Janssens K, Szaloki I, Nasdala L, Joswig W, Kaminsky F (2006) CO2-recycling to the deep convecting mantle, Goldschmidt Conference Abstracts 2006, 2006, A39
Dorsam G, Liebscher A, Wunder B, Franz G, Gottschalk M (2009) Crystal structure refinement of synthetic Ca_0.43Sr_0.57[SiO₃]-walstromite and walstromite-fluid Ca-Sr distribution at upper-mantle conditions, European Journal of Mineralogy, 21, 705-714
Barkley M C, Downs R T, Yang H (2011) Structure of walstromite, BaCa₂Si₃O₉, and its relationship to CaSiO₃-walstromite and wollastonite-II, American Mineralogist, 96, 797-801 [view file]

REFERENCES for Walstromite

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]

Eskola P (1922) The silicates of strontium and barium, American Journal of Science, 4, 331-375

Glasser F P, Dent Glasser L S (1961) Crystallographic study of Ca₂BaSi₃O₉, Zeitschrift für Kristallographie, 116, 263-265 [view file]

Glasser F P, Dent Glasser L S (1964) Additional notes on margarosanite, American Mineralogist, 49, 781-782 [view file]

Alfors J T, Stinson M C, Matthews R A, Pabst A (1965) Seven new barium minerals from eastern Fresno County, California, American Mineralogist, 50, 314-340 [view file]

Dent Glasser L S, Glasser F P (1968) The crystal structure of walstromite, American Mineralogist, 53, 9-13 [view file]

Machida K, Adachi G, Shiokawa J, Shimada M, Zoizumi M, Suito K, Onodera A (1982) High-pressure synthesis, crystal structures, and luminescence properties of europium (II) metasilicate and europium (II)-activated calcium and strontium metasilicates, Inorganic Chemistry, 21, 1512-1519

Kanzaki M, Stebbins J F, Xue X (1991) Characterization of quenched high pressure phases in CaSiO3 system by XRD and 29Si NMR, Geophysical Research Letters, 18, 463-466

Gasparik T, Wolf K, Smith C M (1994) Experimental determination of phase relations in the CaSiO3 system from 8 to 15 GPa, American Mineralogist, 79, issue 11-12 1219-1222

Joswig W, Stachel T, Harris J W, Baur W H, Brey G P (1999) New Ca-silicate inclusions in diamonds - tracers from the lower mantle, Earth and Planetary Science Letters, 173, 1-6

Joswig W, Paulus E F, Winkler B, Milman V (2003) The crystal structure of CaSiO₃-walstromite, a special isomorph of wollastonite-II, Zeitschrift für Kristallographie, 218, 811-818

Nasdala L, Brenker F E, Glinnemann J, Hofmeister W, Gasparik T, Harris J W, Stachel T, Reese I (2003) Spectroscopic 2D-tomography: Residual pressure and strain around mineral inclusions in diamonds, European Journal of Mineralogy, 15, issue 6 931-935

Brenker F E, Vincze L, Vekemans B, Nasdala L, Stachel T, Vollmer C, Kersten M, Somogyi A, Adams F, Joswig W, Harris J W (2005) Detection of a Ca-rich lithology in the Earth's deep (>300 km) convecting mantle, Earth and Planetary Science Letters, 236, issue 3-4 579-587

Brenker F E, Vollmer C, Vincze L, Vekemans B, Szymanski A, Janssens K, Szaloki I, Nasdala L, Joswig W, Kaminsky F (2006) CO2-recycling to the deep convecting mantle, Goldschmidt Conference Abstracts 2006, 2006, A39

Dorsam G, Liebscher A, Wunder B, Franz G, Gottschalk M (2009) Crystal structure refinement of synthetic Ca_0.43Sr_0.57[SiO₃]-walstromite and walstromite-fluid Ca-Sr distribution at upper-mantle conditions, European Journal of Mineralogy, 21, 705-714

Barkley M C, Downs R T, Yang H (2011) Structure of walstromite, BaCa₂Si₃O₉, and its relationship to CaSiO₃-walstromite and wollastonite-II, American Mineralogist, 96, 797-801 [view file]