---- R130044 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

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Argandite R130044

Name: Argandite
RRUFF ID: R130044
Ideal Chemistry: Mn₇(VO₄)₂(OH)₈
Locality: Pipji glacier (Pipjigletscher) in the Turtmann valley, Central Alps, Switzerland
Source: Joel Brugger
Owner: Joel Brugger
Description: Transparent, orange in color with a pale orange streak and vitreous luster. Associated with the V-minerals pyrobelonite, reppiaite, and an unknown silico-vanadate. Data from Brugger et al (2011)
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis

Mineral Group: [ Allactite (3) ]

CHEMISTRY

RRUFF ID:	R130044.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(Mn_6.54Mg_0.38Ni_0.04Ca_0.02Zn_0.01Sr_0.01)_Σ=7(V_1.46As_0.54)_Σ=2O₈(OH)₈

INFRARED SPECTRUM (Attenuated Total Reflectance)

RRUFF ID:

R130044

Sample Description:

IR Sample

Instrument settings:

Nicolet 5700 FTIR spectrometer

Resolution:

DOWNLOADS:

	Infrared Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R130044.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.5038(2)Å b: 12.2665(5)Å c: 10.1055(5)Å
alpha: 90° beta: 95.559(4)° gamma: 90° Volume: 679.04(5)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 Argandite
American Mineralogist Crystal Structure Database Record: [view record]
Williams P A, Hatert F, Pasero M, Mills S J (2010) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 4. New minerals and nomenclature modification approved in 2010, Mineralogical Magazine, 74, 797-800 [view file]
Brugger J, Elliott P, Meisser N, Ansermet S (2011) Argandite, Mn₇(VO₄)₂(OH)₈, the V analogue of allactite from the metamorphosed Mn ores at Pipji, Turtmann Valley, Switzerland, American Mineralogist, 96, 1894-1900 [view file]

REFERENCES for Argandite

American Mineralogist Crystal Structure Database Record: [view record]

Williams P A, Hatert F, Pasero M, Mills S J (2010) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 4. New minerals and nomenclature modification approved in 2010, Mineralogical Magazine, 74, 797-800 [view file]

Brugger J, Elliott P, Meisser N, Ansermet S (2011) Argandite, Mn₇(VO₄)₂(OH)₈, the V analogue of allactite from the metamorphosed Mn ores at Pipji, Turtmann Valley, Switzerland, American Mineralogist, 96, 1894-1900 [view file]