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

Epistolite R070396

Name: Epistolite
RRUFF ID: R070396
Ideal Chemistry: (Na◻)Nb₂Na₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₄
Locality: Tugtup Agtakorfia, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland
Source: Michael Scott S104615 [view label]
Owner: RRUFF
Description: White platy crystals associated with pectolite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ Epistolite (9) ]

CHEMISTRY

RRUFF ID:	R070396.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(Na_3.07Ca_0.20K_0.13Mg_0.10Mn_0.09)_Σ=3.59(Ti_0.71Fe_0.12V_0.02)_Σ=0.85Nb_2.03[(Si₂O₇)_1.92(Al₂O₇)_0.8]_Σ=2[O₁F_0.43Cl_0.02(OH)₂]_Σ=3.45[(PO₄)_0.24(SO₄)_0.01]•2.58H₂O
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:

R070396

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R070396.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.444(2)Å b: 7.168(3)Å c: 12.053(4)Å
alpha: 103.79(4)° beta: 95.89(4)° gamma: 90.02(4)° Volume: 454.0(9)Å³ 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 Epistolite
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]
Boeggild O B (1901) Epistolite, a new mineral, Meddelelser om Grønland, 24, 183-190 [view file]
Sokolova E, Hawthorne F C (2004) The crystal chemistry of epistolite, The Canadian Mineralogist, 42, 797-806 [view file]
Jambor J L, Roberts A C (2005) New mineral names, American Mineralogist, 90, 271-275 [view file]
Nèmeth P, Ferraris G, Radnóczi G, Ageeva O A (2005) TEM and X-ray study of syntactic intergrowths of epistolite, murmanite and shkatulkalite, The Canadian Mineralogist, 43, 973-987 [view file]
Locock A J, Piilonen P C, Ercit T S, Rowe R (2006) New mineral names, American Mineralogist, 91, 216-224 [view file]
Sokolova E (2006) From structure topology to chemical composition. I. Structural hierarchy and stereochemistry in titanium disilicate minerals, The Canadian Mineralogist, 44, 1273-1330 [view file]

REFERENCES for Epistolite

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]

Boeggild O B (1901) Epistolite, a new mineral, Meddelelser om Grønland, 24, 183-190 [view file]

Sokolova E, Hawthorne F C (2004) The crystal chemistry of epistolite, The Canadian Mineralogist, 42, 797-806 [view file]

Jambor J L, Roberts A C (2005) New mineral names, American Mineralogist, 90, 271-275 [view file]

Nèmeth P, Ferraris G, Radnóczi G, Ageeva O A (2005) TEM and X-ray study of syntactic intergrowths of epistolite, murmanite and shkatulkalite, The Canadian Mineralogist, 43, 973-987 [view file]

Locock A J, Piilonen P C, Ercit T S, Rowe R (2006) New mineral names, American Mineralogist, 91, 216-224 [view file]

Sokolova E (2006) From structure topology to chemical composition. I. Structural hierarchy and stereochemistry in titanium disilicate minerals, The Canadian Mineralogist, 44, 1273-1330 [view file]