All R050330 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

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Weeksite R050330

Name: Weeksite
RRUFF ID: R050330
Ideal Chemistry: (K)₂(UO₂)₂(Si₅O₁₃)·4H₂O
Locality: Anderson mine, Yavapai County, Arizona, USA
Source: Lloyd Twaites
Owner: RRUFF
Description: Yellowish green flattened plates, associated with reddish-orange carnotite, R070647. Sample was used in the Fejfarova et al (2012) study.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

CHEMISTRY

RRUFF ID:	R050330.2
Sample Description:	Microprobe fragment
Measured Chemistry:	(K_1.84Ba_0.06Ca_0.02)_Σ=1.92(U_1.00O₂)₂(Si_5.00O₁₃)·1.2H₂O

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:

R050330

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 10% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R050330.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 14.1952(3)Å b: 14.2140(4)Å c: 9.6278(2)Å
alpha: 90° beta: 111.5682(8)° gamma: 90° Volume: 1806.6(1)Å³ Crystal System: monoclinic

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 Weeksite
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]
Outerbridge W F, Staatz M H, Meyrowitz R, Pommer A M (1960) Weeksite, a new uranium silicate from the Thomas Range, Juab County, Utah, American Mineralogist, 45, 39-52 [view file]
Fleischer M (1961) New mineral names, American Mineralogist, 46, 464-468 [view file]
International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263 [view file]
Chernikov A A, Sidorenko G A, Valueva A A (1977) New data on uranyl minerals of the ursilite-weeksite group (in Russian), Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 106, issue 5 553-564 [view file]
Yeremenko G K, Il'menov Ye S, Azimi N A (1977) Find of weeksite-group minerals in Afghanistan, Doklady Akademii Nauk SSSR Earth Science Sections, 237, 226-228 [view file]
Yeremenko G K, Il'menov Ye S, Azimi N A (1977) Find of weeksite-group minerals in Afghanistan [Russian], Doklady Akademii Nauk SSSR, 237, 1191-1193 [view file]
Chernikov A A, Sidorenko G A, Valuyeva A A (1978) New data on uranyl minerals in the ursilite-weeksite group, International Geology Review, 20, 1347-1356
Anderson C A F, Smith D K (1980) The crystal structure of synthetic weeksite, Abstracts Northeastern Section, Geological Society of America, 12, 21-21
Stohl F V, Smith D K (1981) The crystal chemistry of the uranyl silicate minerals, American Mineralogist, 66, 610-625 [view file]
Baturin, S V (1985) Crystal-structure of weeksite, Doklady Akademii Nauk SSSR, 282, 1132-1136 [view file]
Jackson J M, Burns P C (2001) A re-evaluation of the structure of weeksite, a uranyl silicate framework mineral, The Canadian Mineralogist, 39, 187-195 [view file]
Jambor J L, Roberts A C (2001) New mineral names, American Mineralogist, 86, 1112-1115 [view file]
Frost R L, Čejka J, Weier M L, Martens W, Kloprogge J T (2006) A Raman and infrared spectroscopic study of the uranyl silicates - weeksite, soddyite and haiweeite, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 64, 308-315
Frost R L, Čejka J, Weier M L, Martens W (2006) A Raman and infrared spectroscopic study of the uranyl silicates - weeksite, soddyite and haiweeite: Part 2, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 63, 305-312
Fejfarová K, Plášil J, Yang H, Čejka J, Dušek M, Downs R T, Barkley M C, Škoda R (2012) Revision of the crystal structure and chemical formula of weeksite, K₂(UO₂)₂(Si₅O₁₃)·4H₂O, American Mineralogist, 97, 750-754 [view file]

REFERENCES for Weeksite

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]

Outerbridge W F, Staatz M H, Meyrowitz R, Pommer A M (1960) Weeksite, a new uranium silicate from the Thomas Range, Juab County, Utah, American Mineralogist, 45, 39-52 [view file]

Fleischer M (1961) New mineral names, American Mineralogist, 46, 464-468 [view file]

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263 [view file]

Chernikov A A, Sidorenko G A, Valueva A A (1977) New data on uranyl minerals of the ursilite-weeksite group (in Russian), Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 106, issue 5 553-564 [view file]

Yeremenko G K, Il'menov Ye S, Azimi N A (1977) Find of weeksite-group minerals in Afghanistan, Doklady Akademii Nauk SSSR Earth Science Sections, 237, 226-228 [view file]

Yeremenko G K, Il'menov Ye S, Azimi N A (1977) Find of weeksite-group minerals in Afghanistan [Russian], Doklady Akademii Nauk SSSR, 237, 1191-1193 [view file]

Chernikov A A, Sidorenko G A, Valuyeva A A (1978) New data on uranyl minerals in the ursilite-weeksite group, International Geology Review, 20, 1347-1356

Anderson C A F, Smith D K (1980) The crystal structure of synthetic weeksite, Abstracts Northeastern Section, Geological Society of America, 12, 21-21

Stohl F V, Smith D K (1981) The crystal chemistry of the uranyl silicate minerals, American Mineralogist, 66, 610-625 [view file]

Baturin, S V (1985) Crystal-structure of weeksite, Doklady Akademii Nauk SSSR, 282, 1132-1136 [view file]

Jackson J M, Burns P C (2001) A re-evaluation of the structure of weeksite, a uranyl silicate framework mineral, The Canadian Mineralogist, 39, 187-195 [view file]

Jambor J L, Roberts A C (2001) New mineral names, American Mineralogist, 86, 1112-1115 [view file]

Frost R L, Čejka J, Weier M L, Martens W, Kloprogge J T (2006) A Raman and infrared spectroscopic study of the uranyl silicates - weeksite, soddyite and haiweeite, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 64, 308-315

Frost R L, Čejka J, Weier M L, Martens W (2006) A Raman and infrared spectroscopic study of the uranyl silicates - weeksite, soddyite and haiweeite: Part 2, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 63, 305-312

Fejfarová K, Plášil J, Yang H, Čejka J, Dušek M, Downs R T, Barkley M C, Škoda R (2012) Revision of the crystal structure and chemical formula of weeksite, K₂(UO₂)₂(Si₅O₁₃)·4H₂O, American Mineralogist, 97, 750-754 [view file]