UM1971-02-AsO:Fe		Fe-As-O
UM1979-03-AsO:Fe		FeAsO₄ ?
UM1979-04-AsO:Fe		FeAsO₄ ?
UM1979-09-PO:FeH		Fe₃²⁺(H₂O)(PO₄)₂
UM1981-32-PO:FeH		Fe²⁺Fe₆³⁺(PO₄)_4-x[PO₃(OH)]_x(OH)₈ · 4H₂O
UM1991-20-Si:Fe		Fe₅Si₂
UM1995-34-SO:Fe		FeS₂O₃
UM1997-14-AsO:FeH		Fe-As-O-H
UM1997-15-AsO:FeH		Fe-As-O-H
UM1997-43-S:Fe		FeS₃
UM2000-60-Si:Fe		Fe₃Si₇
UM2007-30-S:Fe		Fe₃S₂

Physical Properties of UM1988-20-SO:FeHHide

Colour:

Light violet

Comment:

Turns dark red in air

Density:

2.17 g/cm³ (Measured) 2.20 g/cm³ (Calculated)

Chemistry of UM1988-20-SO:FeHHide

Mindat Formula:

Fe_2.67(SO₄)_2.14H₂O

author's formula: Fe_3-x(SO₄)₂^.14H₂O (x ~ 0.33)

Element Weights:

Element	% weight
O	41.040 %
Fe	40.008 %
S	18.412 %
H	0.541 %

Calculated from ideal end-member formula.

Elements listed:

Fe, H, O, S - search for minerals with similar chemistry

Crystallography of UM1988-20-SO:FeHHide

Crystal System:

Triclinic

Class (H-M):

1 - Pinacoidal

Space Group:

Cell Parameters:

a = 6.448(16) Å, b = 15.248(21) Å, c = 6.307(14) Å
α = 90.14(2)°, β = 100.93(2)°, γ = 94.12(2)°

Ratio:

a:b:c = 0.423 : 1 : 0.414

Unit Cell V:

607.19 Å³ (Calculated from Unit Cell)

Other InformationHide

Notes:

Mössbauer spectroscopy indicates the absence of Fe²⁺

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for UM1988-20-SO:FeHHide

mindat.org URL:

https://www.mindat.org/min-51657.html
Please feel free to link to this page.

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References for UM1988-20-SO:FeHHide

Reference List:

Wang, Q., Li, W. (1988): Crystal structure of a new ferric sulfate mineral. Kexue Tongbao: 33(1): 1783-1787 (in English). [Abs. in Jambor, J.L., Puziewicz, J. (1991): New mineral Names. American Mineralogist: 76: 670]

Smith, D. G.W.; Nickel, E. H. (2007) A System of Codification for Unnamed Minerals: Report of the Subcommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. The Canadian Mineralogist, 45 (4). 983-990 doi:10.2113/gscanmin.45.4.983

Localities for UM1988-20-SO:FeHHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

China

Qinghai

Haixi Mongol and Tibetan Autonomous Prefecture

Da Qaidam (Dachaidan Co.)

Xitieshan

ⓘ Xitieshan Mine

Wang et al. (1988) +1 other reference

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