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Erniggliite

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Photos of Erniggliite (4)

Erniggliite Gallery Search Photos of Erniggliite

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Erniggliite

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite, etc.

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite, etc.

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite, etc.

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite, etc.

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Erniggliite, etc.

Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

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About ErniggliiteHide

Ernst Niggli (1917-2001)

Formula:

Tl₂SnAs₂S₆

Colour:

Steel gray to black-gray

Hardness:

2 - 3

Specific Gravity:

5.24 (Calculated)

Crystal System:

Trigonal

Name:

Named in honor of Ernst Heinrich Niggli (29 September 1917, Wald, Zürich, Switzerland - 7 December 2001, Bern, Switzerland), professor of mineralogy and petrography at the University of Bern and president for many years of the Lengenbach Working Association.

Type Locality:

ⓘ Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

This page provides mineralogical data about Erniggliite.

Classification of ErniggliiteHide

IMA status:

Approved

Approval year:

1987

First published:

1992

Approval history:

IMA1987-025

Strunz 8th ed.:

2/E.12-45

Nickel-Strunz 10th (pending) ed.:

2.GA.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
A : Neso-sulfarsenites, etc. without additional S

Dana 8th ed.:

3.4.18.1

3 : SULFOSALTS
4 : ø = 3

Physical Properties of ErniggliiteHide

Transparency:

Opaque

Colour:

Steel gray to black-gray

Streak:

Reddish black

Hardness:

2 - 3 on Mohs scale

Hardness:

VHN₁₀=46 - 49 kg/mm² - Vickers

Cleavage:

Perfect
Micaceous lamellae are flexible

Fracture:

Micaceous

Density:

5.24 g/cm³ (Calculated)

Optical Data of ErniggliiteHide

Bireflectance:

None

Reflectivity:

479nm	R=28.6%
543nm	R=27.3%
587nm	R=26.9%
657nm	R=25.1%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 28.6%.

Colour in reflected light:

Grayish white

Internal Reflections:

None

Pleochroism:

Non-pleochroic

Chemical Properties of ErniggliiteHide

Formula:

Tl₂SnAs₂S₆

Elements listed:

As, S, Sn, Tl - search for minerals with similar chemistry

Crystallography of ErniggliiteHide

Crystal System:

Trigonal

Class (H-M):

3 - Rhombohedral

Space Group:

Cell Parameters:

a = 6.68 Å, c = 7.16 Å

Ratio:

a:c = 1 : 1.072

Unit Cell V:

276.69 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)
0015406	Erniggliite	Graeser S, Schwander H, Wulf R, Edenharter A (1992) Erniggliite (Tl2SnAs2S6), a new mineral from Lengenbach, Binntal (Switzerland): description and crystal structure determination based on data from synchrotron radiation Schweizerische Mineralogische und Petrographische Mitteilungen 72 293-305		1992	Lengenbach, Binntal, Switzerland	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Erniggliite'
loop_
_publ_author_name
'Graeser S'
'Schwander H'
'Wulf R'
'Edenharter A'
_journal_name_full 'Schweizerische Mineralogische und Petrographische Mitteilungen'
_journal_volume 72 
_journal_year 1992
_journal_page_first 293
_journal_page_last 305
_publ_section_title
;
 Erniggliite (Tl2SnAs2S6), a new mineral from Lengenbach, Binntal (Switzerland):
 description and crystal structure determination based on data from synchrotron radiation
;
_database_code_amcsd 0015406
_chemical_compound_source 'Lengenbach, Binntal, Switzerland'
_chemical_formula_sum 'Sn Tl2 As2 S6'
_cell_length_a 6.680
_cell_length_b 6.680
_cell_length_c 7.164
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 276.847
_exptl_crystal_density_diffrn      5.217
_symmetry_space_group_name_H-M 'P -3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'y,-x+y,-z'
  '-x+y,-x,z'
  '-x,-y,-z'
  '-y,x-y,z'
  'x-y,x,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Sn   0.00000   0.00000   0.00000   0.01030
Tl   0.33333   0.66667   0.38230   0.03770
As   0.33333   0.66667   0.92660   0.01610
S   0.20510   0.33460   0.76840   0.01960
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Sn 0.00770 0.00770 0.01560 0.00390 0.00000 0.00000
Tl 0.04610 0.04610 0.02080 0.02310 0.00000 0.00000
As 0.01630 0.01630 0.01570 0.00810 0.00000 0.00000
S 0.02690 0.01020 0.01800 0.00650 0.00560 0.00150

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
4.510 Å	(40)
3.343 Å	(100)
3.060 Å	(50)
3.029 Å	(63)
2.679 Å	(48)
2.25 Å	(37)
1.866 Å	(38)

Type Occurrence of ErniggliiteHide

Type Locality:

ⓘ Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland

Place of Conservation of Type Material:

Natural History Museum, Basel, Switzerland, L 18,393.

Reference:

Graeser, St., Schwander, H., Wulf, R., Edenharter, A. (1992) Erniggliite (Tl2SnAs2S6), a new mineral from Lengenbach, Binntal (Switzerland): description and crystal structure determination based on data from synchrotron radiation. Schweizerische mineralogische und petrographische Mitteilungen: 72: 293-305.

Synonyms of ErniggliiteHide

IMA1987-025

Other Language Names for ErniggliiteHide

German:Erniggliit

Simplified Chinese:硫砷锡铊矿

Spanish:Erniggliita

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Erniggliite associated with Realgar

As₄S₄

Related Minerals - Nickel-Strunz Grouping Hide

2.GA.	Arsiccioite	AgHg₂Tl(As,Sb)₂S₆	Tet. 4 2m : I4 2m
2.GA.	Eckerite	Ag₂CuAsS₃	Mon. 2/m : B2/b
2.GA.05	Proustite	Ag₃AsS₃	Trig. 3m (3 2/m) : R3c
2.GA.05	Pyrargyrite	Ag₃SbS₃	Trig. 3m : R3c
2.GA.10	Pyrostilpnite	Ag₃SbS₃	Mon. 2/m : P2₁/b
2.GA.10	Xanthoconite	Ag₃AsS₃	Mon. 2/m : B2/b
2.GA.15	Samsonite	Ag₄MnSb₂S₆	Mon. 2/m : P2₁/m
2.GA.20	Skinnerite	Cu₃SbS₃	Mon. 2/m : P2₁/b
2.GA.20	Wittichenite	Cu₃BiS₃	Orth. 2 2 2 : P2₁ 2₁ 2₁
2.GA.25	Lapieite	NiCuSbS₃	Orth.
2.GA.25	Mückeite	NiCu(Bi,Sb)S₃	Orth. 2 2 2 : P2₁ 2₁ 2₁
2.GA.25	Malyshevite	PdCuBiS₃	Orth. mmm (2/m 2/m 2/m) : Pmmm
2.GA.25	Lisiguangite	PtCuBiS₃	Orth. 2 2 2 : P2₁ 2₁ 2₁
2.GA.30	Aktashite	Cu₆Hg₃As₄S₁₂	Trig. 3 : R3
2.GA.30	Gruzdevite	Cu₆Hg₃Sb₄S₁₂	Trig.
2.GA.30	Nowackiite	Cu₆Zn₃As₄S₁₂	Trig. 3 : R3
2.GA.35	Laffittite	AgHgAsS₃	Mon.
2.GA.40	Routhierite	Tl(Cu,Ag)(Hg,Zn)₂(As,Sb)₂S₆	Tet. 4 2m : I4 2m
2.GA.40	Stalderite	Tl(Cu,Ag)(Zn,Fe,Hg)₂(As,Sb)₂S₆	Tet.
2.GA.50	Bournonite	PbCuSbS₃	Orth. mm2 : Pmn2₁
2.GA.50	Seligmannite	PbCuAsS₃	Orth. mmm (2/m 2/m 2/m) : Pmmn
2.GA.50	Součekite	PbCuBi(S,Se)₃	Orth.

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.

References for ErniggliiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

New Minerals (1997), New Minerals 1990-1994.

Internet Links for ErniggliiteHide

mindat.org URL:

https://www.mindat.org/min-1403.html
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External Links:

Look for Erniggliite on Webmineral

Look for Erniggliite on Wikipedia

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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Localities for ErniggliiteHide

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 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 (eg from pseudomorphs.)

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

Switzerland (TL)

Valais

Goms

Binn

Fäld

ⓘ Lengenbach Quarry (TL)

Schw. MPM 72 (1992), 293; AM 78 (1993), 845

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Erniggliite

About ErniggliiteHide

Classification of ErniggliiteHide

Physical Properties of ErniggliiteHide

Optical Data of ErniggliiteHide

Chemical Properties of ErniggliiteHide

Crystallography of ErniggliiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Type Occurrence of ErniggliiteHide

Synonyms of ErniggliiteHide

Other Language Names for ErniggliiteHide

Common AssociatesHide

Related Minerals - Nickel-Strunz GroupingHide

Other InformationHide

References for ErniggliiteHide

Internet Links for ErniggliiteHide

Localities for ErniggliiteHide

Locality ListHide

Related Minerals - Nickel-Strunz Grouping Hide