Melilite R061091 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Gehlenite R061091

Name: Gehlenite
RRUFF ID: R061091
Ideal Chemistry: Ca₂Al(SiAl)O₇
Locality: Carneal Plug, Glenoe Larne District, County Antrim, Northern Ireland
Source: Michael Scott S101599 [view label]
Owner: RRUFF
Description: Yellowish-brown anhedral blebs associated with black magnetite and white wollastonite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ Melilite (7) ]

Quick search: [ All Gehlenite samples (3) ]

CHEMISTRY

RRUFF ID:	R061091.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(Ca_1.64Na_0.36)_Σ=2(Al_0.38Fe_0.36Mg_0.26)_Σ=1(Si_1.98Al_0.02)_Σ=2O₇
Microprobe Data File:	[ Download Excel File ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Sample is oriented, polished and mounted on a pin.

Pin ID:

M01135

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:

R061091

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R061091.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 7.790(2)Å b: 7.790(2)Å c: 5.030(2)Å
alpha: 90° beta: 90° gamma: 90° Volume: 305.2(1)Å³ Crystal System: tetragonal

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 Gehlenite
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]
Fuchs J N (1815) Ueber den Gehlenit, ein neues Mineral aus Tirol, Journal für Chemie und Physik, 15, 377-386 [view file]
Wright F E (1908) On three contact minerals from Valardeña, Durango, Mexico. (Gehlenite, spurrite and hillebrandite), American Journal of Science, 176, 545-554 [view file]
Wright F E (1908) Three contact minerals, American Journal of Science, 156, 545-554 [view file]
Louisnathan S J (1971) Refinement of the crystal structure of a natural gehlenite, Ca₂Al(Al,Si)₂O₇, The Canadian Mineralogist, 10, 822-837 [view file]
Sharma S K, Simons B, Yoder H S (1983) Raman study of anorthite, calcium Tschermak's pyroxene, and gehlenite in crystalline and glassy states, American Mineralogist, 68, 1113-1125 [view file]
Sharma S K, Yoder H S, Matson D W (1988) Raman study of some melilites in crystalline and glassy states, Geochimica et Cosmochimica Acta, 52, 1961-1967
Swainson I P, Dove M T, Schmahl W W, Putnis A (1992) Neutron powder diffraction study of the akermanite-gehlenite solid solution series, Physics and Chemistry of Minerals, 19, 185-195
Marincea S, Bilal E, Verkaeren J, Pascal M L, Fonteilles M (2001) Superposed parageneses in the spurrite-, tilleyite- and gehlenite-bearing skarns from Cornet Hill, Apuseni Mountains, Romania, The Canadian Mineralogist, 39, 1435-1453 [view file]
Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970 [view file]
Gemmi M, Merlini M, Cruciani G, Artioli G (2007) Non-ideality and defectivity of the åkermanite-gehlenite solid solution: An X-ray diffraction and TEM study, American Mineralogist, 92, 1685-1694 [view file]
Merlini M, Gemmi M, Cruciani G, Artioli G (2008) High-temperature behaviour of melilite: in situ X-ray diffraction study of gehlenite-åkermanite-Na melilite solid solution, Physics and Chemistry of Minerals, 35, 147-155
Marincea Ş, Dumitraş D-G, Ghineț C, Fransolet A-M, Hatert F, Rondeaux M (2011) Gehlenite from three occurrences of high-temperature skarns, Romania: new mineralogical data, The Canadian Mineralogist, 49, 1001-1014 [view file]

REFERENCES for Gehlenite

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]

Fuchs J N (1815) Ueber den Gehlenit, ein neues Mineral aus Tirol, Journal für Chemie und Physik, 15, 377-386 [view file]

Wright F E (1908) On three contact minerals from Valardeña, Durango, Mexico. (Gehlenite, spurrite and hillebrandite), American Journal of Science, 176, 545-554 [view file]

Wright F E (1908) Three contact minerals, American Journal of Science, 156, 545-554 [view file]

Louisnathan S J (1971) Refinement of the crystal structure of a natural gehlenite, Ca₂Al(Al,Si)₂O₇, The Canadian Mineralogist, 10, 822-837 [view file]

Sharma S K, Simons B, Yoder H S (1983) Raman study of anorthite, calcium Tschermak's pyroxene, and gehlenite in crystalline and glassy states, American Mineralogist, 68, 1113-1125 [view file]

Sharma S K, Yoder H S, Matson D W (1988) Raman study of some melilites in crystalline and glassy states, Geochimica et Cosmochimica Acta, 52, 1961-1967

Swainson I P, Dove M T, Schmahl W W, Putnis A (1992) Neutron powder diffraction study of the akermanite-gehlenite solid solution series, Physics and Chemistry of Minerals, 19, 185-195

Marincea S, Bilal E, Verkaeren J, Pascal M L, Fonteilles M (2001) Superposed parageneses in the spurrite-, tilleyite- and gehlenite-bearing skarns from Cornet Hill, Apuseni Mountains, Romania, The Canadian Mineralogist, 39, 1435-1453 [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970 [view file]

Gemmi M, Merlini M, Cruciani G, Artioli G (2007) Non-ideality and defectivity of the åkermanite-gehlenite solid solution: An X-ray diffraction and TEM study, American Mineralogist, 92, 1685-1694 [view file]

Merlini M, Gemmi M, Cruciani G, Artioli G (2008) High-temperature behaviour of melilite: in situ X-ray diffraction study of gehlenite-åkermanite-Na melilite solid solution, Physics and Chemistry of Minerals, 35, 147-155

Marincea Ş, Dumitraş D-G, Ghineț C, Fransolet A-M, Hatert F, Rondeaux M (2011) Gehlenite from three occurrences of high-temperature skarns, Romania: new mineralogical data, The Canadian Mineralogist, 49, 1001-1014 [view file]