Zn-dominant member of the Nigerite Group (Armbruster, 2002).

Type locality is the Xianghualing skarn.

Crystal structure details:
* 3 × (O-T1-O-T2-O-T2-O-T1) polyhedral stacking sequence suggesting...
*... N-S-S-N-N-S-S-N-N-S-S-N polysomatic connectivity (N = nolanite module, S = spinel module).

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Unique IdentifiersHide

Mindat ID:

11454

Long-form identifier:

mindat:1:1:11454:9

GUID
(UUID V4):

6df0708a-95ae-4b44-9dcb-432333146951

IMA Classification of Zinconigerite-6N6SHide

IMA status:

Approved

Classification of Zinconigerite-6N6SHide

Strunz-mindat (2024):

4.FC.20

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
C : Hydroxides with OH, without H₂O; corner-sharing octahedra

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
Zng-6N6S	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 Zinconigerite-6N6SHide

Density:

4.438 g/cm³ (Calculated)

Optical Data of Zinconigerite-6N6SHide

Type:

Uniaxial (+)

RI values:

n_ω = 1.850(1) n_ε = 1.870(2)

Max Birefringence:

δ = 0.020

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Very High

Chemistry of Zinconigerite-6N6SHide

Mindat Formula:

Zn₃Sn₂Al₁₆O₃₀(OH)₂

formerly given as (Zn,Mg,Al)₃(Al,Sn,Fe)₈O₁₅(OH)

Elements listed:

Al, H, O, Sn, Zn - search for minerals with similar chemistry

Crystallography of Zinconigerite-6N6SHide

Crystal System:

Trigonal

Class (H-M):

3m (3 2/m) - Hexagonal Scalenohedral

Space Group:

R3m

Cell Parameters:

a = 5.7241(2) Å, c = 55.539(2) Å

Ratio:

a:c = 1 : 9.703

Unit Cell V:

1,575.95 Å³ (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.436 Å	(100)
1.931 Å	(100)
1.650 Å	(100)
1.646 Å	(100)
1.553 Å	(62)
1.430 Å	(61)
0.935 Å	(41)
0.911 Å	(40)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 4a: Earth’s earliest continental crust	>4.4-3.0
19 : Granitic intrusive rocks
Stage 4b: Highly evolved igneous rocks	>3.0
34 : Complex granite pegmatites

Type Occurrence of Zinconigerite-6N6SHide

Type Locality:

ⓘ Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou, Hunan, China

General Appearance of Type Material:

Aggregates of sub-to-euhedral crystals, up to 100 μm, within fluorite aggregates.

Place of Conservation of Type Material:

Mineralogical collections of the Geological Museum of China, no. 16 Yangrou Hutong, Xisi, Beijing 100031, People’s Republic of China, catalogue number M13811.

Empirical Formula of Type Material:

(Zn_1.689Mn_0.576Mg_0.328Fe³⁺_0.407)_?3(Sn_1.882Zn_0.047Ti_0.071)_?2(Al_14.675Fe³⁺_1.088Na_0.13Ca_0.086Si_0.017)_?15.996O₃₀(OH)₂

Geological Setting of Type Material:

Skarn.

Associated Minerals at Type Locality:

Zinconigerite-2N1S	Phlogopite	Margarite	Magnetite	Högbomite Supergroup
Fluorite	Chrysoberyl	Cassiterite

Synonyms of Zinconigerite-6N6SHide

IMA2018-122a

Relationship of Zinconigerite-6N6S to other SpeciesHide

Member of:

Zinconigerite subgroup > Nigerite Group > Högbomite Supergroup

Other Members of this group:

Zinconigerite-2N1S

(Zn,Al,Mg)₂(Al,Sn)₆O₁₁(OH)

Trig. 3m (3 2/m) : P3m1

Related Minerals - Strunz-mindat Grouping Hide

4.FC.05	Bernalite	Fe(OH)₃ · nH₂O (n = 0.0 to 0.25)	Orth. mmm (2/m 2/m 2/m) : Pmmn
4.FC.05	Dzhalindite	In(OH)₃	Iso. m3 (2/m 3) : Im3
4.FC.05	Söhngeite	Ga(OH)₃	Tet.
4.FC.10	Burtite	Ca[Sn(OH)₆]	Hex.
4.FC.10	Mushistonite	(Cu,Zn,Fe²⁺)[Sn(OH)₆]	Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10	Natanite	Fe²⁺[Sn(OH)₆]	Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10	Schoenfliesite	Mg[Sn(OH)₆]	Iso. m3 (2/m 3) : Pn3
4.FC.10	Vismirnovite	Zn[Sn(OH)₆]	Iso. m3m (4/m 3 2/m) : Pn3m
4.FC.10	Wickmanite	Mn²⁺[Sn(OH)₆]	Iso. m3 (2/m 3) : Pn3
4.FC.15	Jeanbandyite	Fe³⁺_xFe²⁺_1-xSn(OH)_6-xO_x	Tet. 4/m : P4₂/n
4.FC.15	Mopungite	Na[Sb⁵⁺(OH)₆]	Tet. 4/m : P4₂/n
4.FC.15	Stottite	Fe²⁺[Ge⁴⁺(OH)₆]	Tet. 4/m : P4₂/n
4.FC.15	Tetrawickmanite	Mn²⁺[Sn⁴⁺(OH)₆]	Tet. 4/m : P4₂/n
4.FC.20	Ferronigerite-2N1S	(Al,Fe,Zn)₂(Al,Sn)₆O₁₁(OH)	Trig. 3m (3 2/m) : P3m1
4.FC.20	Magnesionigerite-6N6S	(Mg,Al,Zn)₃(Al,Sn,Fe)₈O₁₅(OH)	Trig. 3m (3 2/m) : R3m
4.FC.20	Magnesionigerite-2N1S	(Mg,Al,Zn)₂(Al,Sn)₆O₁₁(OH)	Trig. 3m (3 2/m) : P3m1
4.FC.20	Ferronigerite-6N6S	(Al,Fe,Zn)₃(Al,Sn,Fe)₈O₁₅(OH)	Trig. 3m (3 2/m) : R3m
4.FC.20	Zinconigerite-2N1S	(Zn,Al,Mg)₂(Al,Sn)₆O₁₁(OH)	Trig. 3m (3 2/m) : P3m1
4.FC.25	Magnesiotaaffeite-6N’3S	Mg₂BeAl₆O₁₂	Trig. 3m (3 2/m) : R3m
4.FC.25	Magnesiotaaffeite-2N’2S	Mg₃Al₈BeO₁₆	Hex. 6/mmm (6/m 2/m 2/m)
4.FC.25	Ferrotaaffeite-2N’2S	Be(Fe,Mg,Zn)₃Al₈O₁₆	Hex. 6mm : P6₃mc

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 Zinconigerite-6N6SHide

mindat.org URL:

https://www.mindat.org/min-11454.html
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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

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References for Zinconigerite-6N6SHide

Reference List:

forum.amiminerals.it (n.d.) http://forum.amiminerals.it/viewtopic.php?f=5&t=18179

Armbruster, T. (2002): Revised nomenclature of högbomite, nigerite, and taaffeite minerals. European Journal of Mineralogy: 14: 389-395.

Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2020) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 56. European Journal of Mineralogy, 32 (4) 443-448 doi:10.5194/ejm-32-443-2020

Rao, C., Gu, X., Wang, R., Xia, Q., Dong, C., Hatert, F., Dal Bo, F., Yu, X., Wang, W. (2022): Zinconigerite-2N1S ZnSn₂Al₁₂O₂₂(OH)₂ and zinconigerite-6N6S Zn₃Sn₂Al₁₆O₃₀(OH)₂, two new minerals of the nolanite-spinel polysomatic series from the Xianghualing skarn, Hunan Province, China. American Mineralogist: 107: 1952-1959.

Localities for Zinconigerite-6N6SHide

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.


Brazil
Paraíba Nova Palmeira ⓘ Roncadeira pegmatite	Beurlen et al. (2018)

China (TL)
Hunan Chenzhou Linwu Co. ⓘ Xianghualing Sn-polymetallic ore field (TL)	Miyawaki et al. (2020) +1 other reference

Finland
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Rosendal pegmatite	Burke et al. (1977) +1 other reference

Zinconigerite-6N6S