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Sigismundite

A valid IMA mineral species

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Photos of Sigismundite (6)Discuss Sigismundite

Sigismundite Gallery Search Photos of Sigismundite

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Sigismundite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

Sigismundite, etc.

P-K pegmatite, Seinäjoki, South Ostrobothnia, Finland

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About SigismunditeHide

Pietro Sigismund

Formula:

(Ba◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂

Colour:

Grayish-green

Lustre:

Greasy

Specific Gravity:

3.544 (Calculated)

Crystal System:

Monoclinic

Member of:

Arrojadite Group

Name:

After Pietro Sigismund (1874 - 10 July 1962), a well known collector of minerals from Valtellina, Italy, especially Val Malenco. Among other contributions, he discovered the species artinite. From 2005 to 2022 it was renamed by the IMA to arrojadite-(BaFe) (IMA 05-D) but then the historic name was revalidated (IMA 22-C).

Type Locality:

ⓘ Groppera Alp, Madesimo, Sondrio Province, Lombardy, Italy

Arrojadite Group.

Unique IdentifiersHide

Mindat ID:

7294

Long-form identifier:

mindat:1:1:7294:2

IMA Classification of SigismunditeHide

IMA status:

Approved

IMA Formula:

BaFe²⁺(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂

Approval year:

1994

First published:

1996

Approval history:

CNMMN redefinition 05-D, October 2005.
Historical name reapproved, IMA voting proposal 22-C.

Classification of SigismunditeHide

Strunz-mindat (2026):

8.BF.

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H₂O
F : With medium-sized and large cations, (OH, etc.):RO₄< 0.5:1

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference for Standard
Ajd-BaFe	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of SigismunditeHide

Lustre:

Greasy

Transparency:

Translucent

Colour:

Grayish-green

Streak:

White

Tenacity:

Brittle

Cleavage:

Distinct/Good
Two different cleavage planes, one more distinct than the other, making an angle of about 110 degrees.

Fracture:

Irregular/Uneven

Density:

3.544 g/cm³ (Calculated)

Optical Data of SigismunditeHide

Type:

Biaxial

Optical Extinction:

Extinction angle is about 25 deg with respect to the elongation.

Pleochroism:

Not Visible

Chemistry of SigismunditeHide

Mindat Formula:

(Ba◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂

Element Weights:

Element	% weight
O	36.249 %
Fe	35.427 %
P	16.842 %
Ba	6.223 %
Na	2.084 %
Ca	1.816 %
Al	1.223 %
H	0.137 %

Calculated from ideal end-member formula.

Elements listed:

Al, Ba, Ca, Fe, H, Na, O, P - search for minerals with similar chemistry

Chemical AnalysisHide

Oxide wt%:

	1
P₂O₅	39.34 %
Al₂O₃	1.96 %
Fe₂O₃	1.34 %
FeO	19.36 %
MgO	2.80 %
MnO	19.45 %
CaO	2.28 %
BaO	5.36 %
Na₂O	4.97 %
K₂O	0.63 %
LiO	0.20 %
H₂O+	1.45 %
H₂O-	0.10 %
F	0.47 %
Total:	99.71 %

Sample references:

ID	Locality	Reference	Notes
1	Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda	von Knorring, O. (1969) A note on the phosphate mineralisation at the Buranga pegmatite, Rwanda. Bulletin du Service Geologique de la Republique du Rwanda: 5: 42-45.

Crystallography of SigismunditeHide

Crystal System:

Monoclinic

Class (H-M):

m - Domatic

Space Group:

Setting:

Cell Parameters:

a = 16.406(5) Å, b = 9.945(3) Å, c = 24.470(5) Å
β = 105.73(2)°

Ratio:

a:b:c = 1.65 : 1 : 2.461

Unit Cell V:

3,842.95 Å³ (Calculated from Unit Cell)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0005505	Sigismundite	Demartin F, Gramaccioli C M, Pilati T, Sciesa E (1996) Sigismundite, (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(OH)2(PO4)12, a new Ba-rich member of the arrojadite group from Spluga Valley, Italy The Canadian Mineralogist 34 827-834		1996	Spluga Valley, Italy	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Arrojadite-(BaFe)'
loop_
_publ_author_name
'Demartin F'
'Gramaccioli C M'
'Pilati T'
'Sciesa E'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 34 
_journal_year 1996
_journal_page_first 827
_journal_page_last 834
_publ_section_title
;
 Sigismundite, (Ba,K,Pb)Na3(Ca,Sr)(Fe,Mg,Mn)14Al(OH)2(PO4)12, a new
 Ba-rich member of the arrojadite group from Spluga Valley, Italy
;
_database_code_amcsd 0005505
_chemical_compound_source 'Spluga Valley, Italy'
_chemical_formula_sum 'Al.5 Ca.94 Sr.25 Na2.63 Ba.38 K.06 Pb.03 Fe6.02 Mg4.36 P12 O50'
_cell_length_a 16.406
_cell_length_b 9.945
_cell_length_c 24.470
_cell_angle_alpha 90
_cell_angle_beta 105.73
_cell_angle_gamma 90
_cell_volume 3842.950
_exptl_crystal_density_diffrn      3.125
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Al   0.00000   0.50000   0.00000   0.50000   0.00646
CaX1   0.22990   0.21920   0.48320   0.47000   0.02875
SrX1   0.22990   0.21920   0.48320   0.12000   0.02875
NaX2   0.13450   0.51710   0.12060   1.00000   0.04179
NaX3   0.00000   0.00000   0.00000   0.50000   0.02406
NaX4   0.00000   0.01400   0.25000   0.08000   0.01393
NaX4x   0.00000   0.11600   0.25000   0.05000   0.01267
BaX5   0.00000   0.49900   0.25000   0.38000   0.02406
KX5   0.00000   0.49900   0.25000   0.06000   0.02406
PbX5   0.00000   0.49900   0.25000   0.03000   0.02406
SrX5   0.00000   0.49900   0.25000   0.01000   0.02406
FeM1   0.22310   0.88810   0.47680   0.25000   0.01659
MgM1   0.22310   0.88810   0.47680   0.18000   0.01659
FeM1x   0.20500   0.94800   0.45450   0.07000   0.02153
MgM1x   0.20500   0.94800   0.45450   0.05000   0.02153
FeM2   0.21180   0.01380   0.26768   0.49000   0.01254
MgM2   0.21180   0.01380   0.26768   0.35000   0.01254
FeM3   0.10710   0.01650   0.14040   0.30000   0.01077
MgM3   0.10710   0.01650   0.14040   0.22000   0.01077
FeM4   0.02150   0.25090   0.40230   0.40000   0.01254
MgM4   0.02150   0.25090   0.40230   0.29000   0.01254
FeM5   0.03380   0.74490   0.40019   0.52000   0.01089
MgM5   0.03380   0.74490   0.40019   0.38000   0.01089
FeM6   0.20360   0.70140   0.35236   0.52000   0.01368
MgM6   0.20360   0.70140   0.35236   0.38000   0.01368
FeM7   0.21800   0.29300   0.34320   0.46000   0.01659
MgM7   0.21800   0.29300   0.34320   0.33000   0.01659
P1   0.11560   0.01090   0.36890   0.62000   0.01013
P1x   0.08020   0.00050   0.33490   0.38000   0.01140
P2   0.12990   0.46480   0.42340   1.00000   0.00988
P3   0.12650   0.25100   0.03950   1.00000   0.00836
P4   0.10330   0.76780   0.04860   1.00000   0.00849
P5   0.12940   0.72690   0.21280   1.00000   0.00836
P6   0.14310   0.30050   0.20610   1.00000   0.00950
O1   0.02550   0.06530   0.36750   1.00000   0.01520
O2   0.11150  -0.13890   0.36300   1.00000   0.01520
O3   0.14800   0.08080   0.32450   1.00000   0.02913
O4   0.18080   0.04200   0.42540   0.62000   0.01900
O4x   0.02300  -0.03600   0.27100   0.38000   0.02406
O5   0.05000   0.44120   0.44430   1.00000   0.01013
O6   0.11990   0.59630   0.39010   1.00000   0.01773
O7   0.12890   0.34240   0.38510   1.00000   0.01267
O8   0.20960   0.46080   0.47160   1.00000   0.02280
O9   0.08410   0.16840   0.07680   1.00000   0.01140
O10   0.09590   0.39680   0.03690   1.00000   0.00887
O11   0.10760   0.18830  -0.01930   1.00000   0.01013
O12   0.22490   0.25220   0.06540   1.00000   0.01646
O13   0.04590   0.64380   0.04890   1.00000   0.00887
O14   0.06670   0.87230   0.08140   1.00000   0.01140
O15   0.09690   0.81600  -0.01090   1.00000   0.01520
O16   0.19500   0.73260   0.07780   1.00000   0.00380
O17   0.04740   0.67420   0.17190   1.00000   0.01013
O18   0.13240   0.67600   0.27180   1.00000 ?
O19   0.13300   0.88160   0.21080   1.00000   0.00760
O20   0.20500   0.67070   0.19410   1.00000 ?
O21   0.05890   0.34760   0.16630   1.00000   0.00253
O22   0.14900   0.35450   0.26540   1.00000   0.01013
O23   0.14930   0.14610   0.20580   1.00000   0.01140
O24   0.21780   0.35790   0.18560   1.00000   0.01773
O25   0.23040  -0.00240   0.13890   1.00000   0.01393

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.010 Å	(100)
3.178 Å	(51)
2.678 Å	(42)
2.523 Å	(27)
2.805 Å	(25)
4.519 Å	(23)
2.775 Å	(21)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites

Type Occurrence of SigismunditeHide

Type Locality:

ⓘ Groppera Alp, Madesimo, Sondrio Province, Lombardy, Italy

General Appearance of Type Material:

Small grayish-green lump, ~4 cm in size, somewhat similar to massive apatite, directly included in the rock.

Place of Conservation of Type Material:

Civic Museum of Natural History, Morbegno, Sondrio, Italy.

Geological Setting of Type Material:

In phengitic quartzite.

Associated Minerals at Type Locality:

Albite

'Apatite'

Quartz

Synonyms of SigismunditeHide

Arrojadite-(BaFe)

Ba-arrojadite

IMA1994-033

Other Language Names for SigismunditeHide

Dutch:Sigismundiet

German:Sigismundit

Russian:Арроядит-(BaFe)
Сигизмундит

Spanish:Sigismundita

Relationship of Sigismundite to other SpeciesHide

Member of:

Arrojadite Group

Other Members of Arrojadite Group:

Arrojadite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. 2/m : B2/b
Arrojadite-(KFe)	(KNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
'Arrojadite-(KFeNa)'	(KNa)(Fe²⁺◻)Ca(Na₂Na)Fe²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂
Arrojadite-(KNa)	(KNa)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
'Arrojadite-(NaFe)'	(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂
Arrojadite-(PbFe)	(Pb◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
Arrojadite-(SrFe)	(Sr◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂	Mon. 2/m : B2/b
'Ferri-arrojadite-(BaNa)'	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Fe³⁺(PO₄)₁₁(PO₃OH)(OH)₂
Fluorarrojadite-(BaFe)	(Ba◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
Fluorarrojadite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
'Fluorarrojadite-(KNa)'	(KNa)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
'Fluorarrojadite-(NaFe)'	(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
Fluorcarmoite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Mg₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
Manganoarrojadite-(KNa)	(KNa)(NaNa)Mn²⁺(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb

Common AssociatesHide

Associations Based on Photo Data:

2 photos of Sigismundite associated with Fluorapatite	Ca₅(PO₄)₃F
2 photos of Sigismundite associated with Kulanite	Ba(Fe²⁺,Mn²⁺,Mg)₂(Al,Fe³⁺)₂(PO₄)₃(OH)₃
2 photos of Sigismundite associated with Gormanite	(Fe²⁺,Mg)₃(Al,Fe³⁺)₄(PO₄)₄(OH)₆ · 2H₂O
2 photos of Sigismundite associated with Barićite	(Mg,Fe)₃(PO₄)₂ · 8H₂O

Related Minerals - Strunz-mindat Grouping Hide

8.BF.	Manganoarrojadite-(KNa)	(KNa)(NaNa)Mn²⁺(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
8.BF.05	Dickinsonite-(KMnNa)	(KNa)(Mn²⁺◻)Ca(Na₂Na)Mn²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂	Mon. 2/m : B2/b
8.BF.05	Arrojadite-(KNa)	(KNa)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
8.BF.05	Fluorarrojadite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
8.BF.05	Arrojadite-(KFe)	(KNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
8.BF.05	Arrojadite-(PbFe)	(Pb◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
8.BF.05	Fluorarrojadite-(BaFe)	(Ba◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
8.BF.05	'Unnamed (Ba-dominant member of dickinsonite group)'
8.BF.05	'Unnamed (Pb-dominant member of dickinsonite group)'
8.BF.05	Arrojadite-(SrFe)	(Sr◻)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. m : Bb
8.BF.05	'Arrojadite-(NaFe)'	(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂
8.BF.05	Arrojadite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂	Mon. 2/m : B2/b
8.BF.05	'Arrojadite-(KFeNa)'	(KNa)(Fe²⁺◻)Ca(Na₂Na)Fe²⁺₁₃Al(PO₄)₁₁(PO₄)(OH)₂
8.BF.05	'Ferri-arrojadite-(BaNa)'	(Ba◻)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Fe³⁺(PO₄)₁₁(PO₃OH)(OH)₂
8.BF.05	'Fluorarrojadite-(KNa)'	(KNa)(NaNa)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
8.BF.05	'Fluorarrojadite-(NaFe)'	(NaNa)(Fe²⁺◻)Ca(Na₂◻)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)F₂
8.BF.05	Fluorcarmoite-(BaNa)	(Ba◻)(NaNa)Ca(Na₂◻)Mg₁₃Al(PO₄)₁₁(PO₃OH)F₂	Mon. m : Bb
8.BF.10	Samuelsonite	(Ca,Ba)Ca₈Fe²⁺₂Mn²⁺₂Al₂(PO₄)₁₀(OH)₂	Mon. 2/m : B2/m
8.BF.15	Griphite	Na₄Li₂Ca₆(Mn²⁺,Fe²⁺,Mg)₁₉Al₈(PO₄)₂₄(F,OH)₈	Iso. m3(2/m3) : Pa3
8.BF.20	Nabiasite	BaMn₉(VO₄)₆(OH)₂	Iso. m3(2/m3) : Pa3
8.BF.25	Starovaite	KCu₅O(VO₄)₃	Tric. 1 : P1
8.BF.30	Achyrophanite	(K,Na)₃(Fe³⁺,Ti,Al,Mg)₅O₂(AsO₄)₅	Orth. 222 : P222₁
8.BF.35	Cryptochalcite	K₂Cu₅O(SO₄)₅	Tric. 1 : P1
8.BF.35	Cesiodymite	CsKCu₅O(SO₄)₅	Tric. 1 : P1

Fluorescence of SigismunditeHide

In UV light:

None

Other InformationHide

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 SigismunditeHide

mindat.org URL:

https://www.mindat.org/min-7294.html
Please feel free to link to this page.

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External Links:

Look for Sigismundite on Webmineral

Look for Sigismundite on Wikipedia

Look for Sigismundite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for SigismunditeHide

Reference List:

von Knorring, O. (1969) A note on the phosphate mineralisation at the Buranga pegmatite, Rwanda. Bulletin du Service Géologique de la République du Rwanda: 5: 42-45. (as barian arrojadite).

Bertossa, A. (1969) Addendum à l'inventaire des minéraux du Rwanda. Bulletin du Service Géologique de la République du Rwanda: 5: 1-4. (as Ba-arrojadite).

Demartin, F., Gramaccioli, C. M., Pilati, T., Sciesa, E. (1996) Sigismundite, (Ba,K,Pb)Na₃(Ca,Sr)(Fe,Mg,Mn)₁₄Al(OH)₂(PO₄)₁₂, a new Ba-rich member of the arrojadite group from Spluga Valley, Italy. The Canadian Mineralogist, 34 (4) 827-834

Daltry, V.D.C., von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15. https://popups.uliege.be/1374-8505/index.php?id=1593(as Ba-arrojadite)

Camara, F. (2006) The arrojadite enigma: I. A new formula and a new model for the arrojadite structure. American Mineralogist, 91 (8) 1249-1259 doi:10.2138/am.2006.2189

Chopin, Christian, Oberti, Roberta, Cámara, Fernando (2006) The arrojadite enigma: II. Compositional space, new members, and nomenclature of the group. American Mineralogist, 91 (8). 1260-1270 doi:10.2138/am.2006.2190

Della Ventura, Giancarlo, Bellatreccia, Fabio, Radica, Francesco, Chopin, Christian, Oberti, Roberta (2014) The arrojadite enigma III. The incorporation of volatiles: a polarised FTIR spectroscopy study. European Journal of Mineralogy, 26 (5) 679-688 doi:10.1127/0935-1221/2014/0026-2397

(2022) Sigismundite. Handbook of Mineralogy. Mineralogical Society of America

de Wit, Frank, Mills, Stuart J. (2022) Arrojadite-group nomenclature: sigismundite reinstated. European Journal of Mineralogy, 34 (3) 321-324 doi:10.5194/ejm-34-321-2022

Localities for SigismunditeHide

Showing 7 localities.

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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.


Canada
Yukon Dawson mining district ⓘ Big Fish River	Pavel Kartachov
ⓘ Rapid Creek	www.mindat.org (n.d.)

Finland
South Ostrobothnia Seinäjoki ⓘ P-K pegmatite	Ilkka Mikkola collection

Germany
Bavaria Upper Palatinate Neustadt an der Waldnaab District Waidhaus Hagendorf ⓘ Hagendorf South Pegmatite	Mücke et al. (2011)

Italy (TL)
Lombardy Sondrio Province Madesimo ⓘ Groppera Alp (TL)	Demartin et al. (1996)

Rwanda
Western Province Ngororero District Muhororo ⓘ Buranga pegmatite	von Knorring (1969) +2 other references

USA
South Dakota Pennington County Keystone Mining District Glendale ⓘ Big Chief Mine	Loomis (2011)

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Sigismundite

About SigismunditeHide

Unique IdentifiersHide

IMA Classification of SigismunditeHide

Classification of SigismunditeHide

Mineral SymbolsHide

Physical Properties of SigismunditeHide

Optical Data of SigismunditeHide

Chemistry of SigismunditeHide

Chemical AnalysisHide

Crystallography of SigismunditeHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of SigismunditeHide

Synonyms of SigismunditeHide

Other Language Names for SigismunditeHide

Relationship of Sigismundite to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of SigismunditeHide

Other InformationHide

Internet Links for SigismunditeHide

References for SigismunditeHide

Localities for SigismunditeHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide