,32.2531,-110.948 R200009 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Malhmoodite R200009

Name: Malhmoodite
RRUFF ID: R200009
Ideal Chemistry: Fe²⁺Zr(PO₄)₂·4H₂O
Locality: Scott's R.Q. mine, Custer Co., South Dakota, U.S.A.
Source: Tom Loomis [view label]
Owner: RRUFF
Description: Yellowish flat lying plates, divergent groups on matrix.
Status: The identification of this mineral has been confirmed by X-ray diffraction.

Mineral Group: [ Malhmoodite (3) ]

Quick search: [ All Malhmoodite samples (2) ]

CHEMISTRY

RRUFF ID:	R200009.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	Fe_1.06(Zr_1.10Hf_0.03)_Σ1.13[(P_1.85As_0.02)_Σ1.87O₄]₂·4H₂O. Microprobe also detected trace UO₂.
Microprobe Data File:	[ Download Excel File ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented Raman on the primary sample

DOWNLOADS:

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

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R200009

Wavelength:

Sample Description:

Unoriented Raman on the primary sample

Instrument settings:

Thermo Almega XR 532nm @ 25% of 150mW

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	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R200009

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.31200(10)Å b: 9.3419(3) Å c: 9.7062(3)Å
alpha: 97.6111(13)° beta: 91.9796(11)° gamma: 90.3628(12)° Volume: 477.10(2)Å³ Crystal System: triclinic

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REFERENCES for Malhmoodite
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]
Milton C, McGee J J, Evans H T (1993) Mahlmoodite, FeZr(PO₄)₂·4H₂O, a new iron zirconium phosphate mineral from Wilson Springs, Arkansas, American Mineralogist, 78, 437-440 [view file]
Elton N J, Hooper J J (1995) A second occurrence of malhmoodite, from Cornwall, England, Mineralogical Magazine, 59, 166-168 [view file]
Grice J D, Ferraris G (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association, The Canadian Mineralogist, 41, 795-802 [view file]
Yang H, Gu X, Loomis T, Gibbs R B, Downs R T (2022) The crystal structure of malhmoodite from Custer, South Dakota, USA, The Canadian Mineralogist, 60, 485-492 [view file]

REFERENCES for Malhmoodite

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]

Milton C, McGee J J, Evans H T (1993) Mahlmoodite, FeZr(PO₄)₂·4H₂O, a new iron zirconium phosphate mineral from Wilson Springs, Arkansas, American Mineralogist, 78, 437-440 [view file]

Elton N J, Hooper J J (1995) A second occurrence of malhmoodite, from Cornwall, England, Mineralogical Magazine, 59, 166-168 [view file]

Grice J D, Ferraris G (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association, The Canadian Mineralogist, 41, 795-802 [view file]

Yang H, Gu X, Loomis T, Gibbs R B, Downs R T (2022) The crystal structure of malhmoodite from Custer, South Dakota, USA, The Canadian Mineralogist, 60, 485-492 [view file]