W(OH, F, Cl)-dominant amphibole R140993 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Ferrobobfergusonite R140993

Name: Ferrobobfergusonite
RRUFF ID: R140993
Ideal Chemistry: ◻Na₂Fe²⁺₅Fe³⁺Al(PO₄)₆
Locality: Victory mine, Custer, Custer District, Custer County, South Dakota, USA
Source: Rock Currier [view label]
Owner: RRUFF
Description: Dark green aggregates of blocky crystals, associated with quartz and muscovite. Four different dark green minerals are found: schorl, fillowite, ferrobobfergusonite, and ferrowyllieite. Light green crystals are arrojadite. This is the type sample
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

CHEMISTRY

RRUFF ID:	R140993.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	(Na_1.73Ca_0.13)(Fe²⁺_3.51Mn_0.89Mg_0.43)(Fe³⁺_0.77Al_0.23)Al(P_1.01O₄)₆
Microprobe Data File:	[ Download Excel File ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

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orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R140993

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

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	Raman Data (Processed)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R140993.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 12.7156(3)Å b: 12.3808(3)Å c: 10.9347(3)Å
alpha: 90° beta: 97.3329(10)° gamma: 90° Volume: 1707.37(7)Å³ Crystal System: monoclinic

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REFERENCES for Ferrobobfergusonite
American Mineralogist Crystal Structure Database Record: [view record]
Hålenius U, Hatert F, Pasero M, Mills S J (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 37. New minerals and nomenclature modifications approved in 2017, Mineralogical Magazine, 81, 737-742 [view file]
Hatert F (2019) A new nomenclature scheme for the alluaudite supergroup, European Journal of Mineralogy, 31, 807-822 [view file]
Yang H, Yong T, Downs R T (2021) Ferrobobfergusonite, ◻Na₂Fe²⁺₅Fe³⁺Al(PO₄)₆, a new mineral of the bobfergusonite group from the Victory mine, Custer County, South Dakota, USA, The Canadian Mineralogist, 59, 617-627 [view file]

REFERENCES for Ferrobobfergusonite

American Mineralogist Crystal Structure Database Record: [view record]

Hålenius U, Hatert F, Pasero M, Mills S J (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 37. New minerals and nomenclature modifications approved in 2017, Mineralogical Magazine, 81, 737-742 [view file]

Hatert F (2019) A new nomenclature scheme for the alluaudite supergroup, European Journal of Mineralogy, 31, 807-822 [view file]

Yang H, Yong T, Downs R T (2021) Ferrobobfergusonite, ◻Na₂Fe²⁺₅Fe³⁺Al(PO₄)₆, a new mineral of the bobfergusonite group from the Victory mine, Custer County, South Dakota, USA, The Canadian Mineralogist, 59, 617-627 [view file]