R070479 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Geikielite R070479

Name: Geikielite
RRUFF ID: R070479
Ideal Chemistry: MgTiO₃
Locality: Colombo, Sri Lanka
Source: Royal Ontario Museum M14941 [view label]
Owner: RRUFF
Description: Dark red fragment
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.

Mineral Group: [ Corundum (38) ]

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:

R070479

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (Processed)
	RRUFF File
	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R070479.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.049(2)Å b: 5.049(2)Å c: 13.886(6)Å
alpha: 90° beta: 90° gamma: 120° Volume: 306.5(1)Å³ Crystal System: hexagonal

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 Geikielite
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]
Dick A (1893) On geikielite, a new mineral from Ceylon, Mineralogical Magazine, 10, 145-147 [view file]
Chao G Y, Hounslow A W (1966) Abstract of paper presented at the eleventh annual meeting: The first Canadian occurrence of geikielite, The Canadian Mineralogist, 8, 664-664 [view file]
Robie R A, Haselton H T, Hemingway B S (1989) Heat capacites and entropies at 298.15 K of MgTiO₃ (geikielite), ZnO (zincite), and ZnCO₃ (smithsonite), Journal of Chemical Thermodynamics, 21, 743-749
Wechsler B A, Von Dreele R B (1989) Structure refinement of Mg₂TiO₄, MgTiO₃ and MgTi₂O₅ by time-of-flight neutron powder diffraction, Acta Crystallographica, B45, 542-549
Liferovich R P, Mitchell R H (2005) Rhombohedral ilmenite group nickel titanates with Zn, Mg, and Mn: synthesis and crystal structures, Physics and Chemistry of Minerals, 32, 444-449
Liferovich R P, Mitchell R H (2006) The pyrophanite–geikielite solid-solution series: crystal structures of the Mn_1-xMg_xTiO₃ series (0 < x < 0.7), The Canadian Mineralogist, 44, 1099-1107 [view file]
Okada T, Narita T, Nagai T, Yamanaka T (2008) Comparative Raman spectroscopic study on ilmenite-type MgSiO₃ (akimotoite), MgGeO₃, and MgTiO₃ (geikielite) at high temperatures and high pressures, American Mineralogist, 93, 39-47 [view file]
Robinson P, Langenhorst F, McEnroe S A, Fabian K, Ballaran T B (2014) Ferroan geikielite and coupled spinel-rutile exsolution from titanohematite: interface characterization and magnetic properties, American Mineralogist, 99, 1694-1712
Tokle L, Robertson K M (2019) X-ray diffraction calibration of the Fe²⁺–Mg²⁺ solid solution of ilmenite, with application to lunar basalts, European Journal of Mineralogy, 31, 473-483

REFERENCES for Geikielite

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]

Dick A (1893) On geikielite, a new mineral from Ceylon, Mineralogical Magazine, 10, 145-147 [view file]

Chao G Y, Hounslow A W (1966) Abstract of paper presented at the eleventh annual meeting: The first Canadian occurrence of geikielite, The Canadian Mineralogist, 8, 664-664 [view file]

Robie R A, Haselton H T, Hemingway B S (1989) Heat capacites and entropies at 298.15 K of MgTiO₃ (geikielite), ZnO (zincite), and ZnCO₃ (smithsonite), Journal of Chemical Thermodynamics, 21, 743-749

Wechsler B A, Von Dreele R B (1989) Structure refinement of Mg₂TiO₄, MgTiO₃ and MgTi₂O₅ by time-of-flight neutron powder diffraction, Acta Crystallographica, B45, 542-549

Liferovich R P, Mitchell R H (2005) Rhombohedral ilmenite group nickel titanates with Zn, Mg, and Mn: synthesis and crystal structures, Physics and Chemistry of Minerals, 32, 444-449

Liferovich R P, Mitchell R H (2006) The pyrophanite–geikielite solid-solution series: crystal structures of the Mn_1-xMg_xTiO₃ series (0 < x < 0.7), The Canadian Mineralogist, 44, 1099-1107 [view file]

Okada T, Narita T, Nagai T, Yamanaka T (2008) Comparative Raman spectroscopic study on ilmenite-type MgSiO₃ (akimotoite), MgGeO₃, and MgTiO₃ (geikielite) at high temperatures and high pressures, American Mineralogist, 93, 39-47 [view file]

Robinson P, Langenhorst F, McEnroe S A, Fabian K, Ballaran T B (2014) Ferroan geikielite and coupled spinel-rutile exsolution from titanohematite: interface characterization and magnetic properties, American Mineralogist, 99, 1694-1712

Tokle L, Robertson K M (2019) X-ray diffraction calibration of the Fe²⁺–Mg²⁺ solid solution of ilmenite, with application to lunar basalts, European Journal of Mineralogy, 31, 473-483