A R090032 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Melanotekite R090032

Name: Melanotekite
RRUFF ID: R090032
Ideal Chemistry: Pb₂Fe³⁺₂O₂(Si₂O₇)
Locality: Kombat, Namibia
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Black, massive exhibiting greasy luster, associated with colorless to pale brown bladed yangite (R090031). Sample is from the John Innes collection.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

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

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R090032

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:

R090032.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 6.987(2)Å b: 11.045(2)Å c: 10.065(2)Å
alpha: 90° beta: 90° gamma: 90° Volume: 776.7(2)Å³ Crystal System: orthorhombic

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 Melanotekite
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]
Lindström G (1880) Analyser af tvenne mineral från Långban, Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar, 37, issue 6 53-58 [view file]
Ito J, Frondel C (1966) Syntheses of the kentrolite-melanotekite series, Arkiv för Mineralogi och Geologi, 4, 387-390
Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541
Moore P B, Sen Gupta P K, Shen J, Schlemper E O (1991) The kentrolite-melanotekite series, 4Pb₂(Mn,Fe)³⁺₂O₂[Si₂O₇]: Chemical crystallographic relations, lone-pair splitting, and cation relation to 8URe₂, American Mineralogist, 76, 1389-1399 [view file]
Dörsam G, Liebscher A, Wunder B, Franz G (2008) Crystal structures of synthetic melanotekite (Pb₂Fe₂Si₂O₉), kentrolite (Pb₂Mn₂Si₂O₉), and the aluminum analogue (Pb₂Al₂Si₂O₉), American Mineralogist, 93, 573-583 [view file]

REFERENCES for Melanotekite

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]

Lindström G (1880) Analyser af tvenne mineral från Långban, Öfversigt af Kongliga Vetenskaps-Akademiens Förhandlingar, 37, issue 6 53-58 [view file]

Ito J, Frondel C (1966) Syntheses of the kentrolite-melanotekite series, Arkiv för Mineralogi och Geologi, 4, 387-390

Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541

Moore P B, Sen Gupta P K, Shen J, Schlemper E O (1991) The kentrolite-melanotekite series, 4Pb₂(Mn,Fe)³⁺₂O₂[Si₂O₇]: Chemical crystallographic relations, lone-pair splitting, and cation relation to 8URe₂, American Mineralogist, 76, 1389-1399 [view file]

Dörsam G, Liebscher A, Wunder B, Franz G (2008) Crystal structures of synthetic melanotekite (Pb₂Fe₂Si₂O₉), kentrolite (Pb₂Mn₂Si₂O₉), and the aluminum analogue (Pb₂Al₂Si₂O₉), American Mineralogist, 93, 573-583 [view file]