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Getchellite

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Big Photo

Valilu Mines, Siahrud, Naxçıvan District (Naxcivan; Nakhichevan), Azerbaijan
© Peter Haas

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Formula:
AsSbS
 
3
System:MonoclinicColour:Dark blood red
Hardness:1½ - 2
Name:Named after the type locality, the Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA.
This page provides mineralogical data about Getchellite.

Classification of Getchellite

IMA status:Approved
Strunz 8th edition ID:2/F.03-10
Nickel-Strunz 10th (pending) edition ID:2.FA.35

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
A : With As, (Sb), S
Dana 8th edition ID:2.11.1.2

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
Hey's CIM Ref.:3.7.11

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi
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Type Occurrence of Getchellite

Type Locality:Getchell Mine, Adam Peak, Potosi District, Humboldt Co., Nevada, USA
Place of Conservation of Type Material:Smithsonian
Year of Discovery:1965
Geological Setting of type material:Epithermal gold deposit

Physical Properties of Getchellite

Lustre:Resinous
Diaphaneity (Transparency):Transparent
Comment:pearly to vitreous on cleavage surface.
Colour:Dark blood red
Comment:Tarnishes to green to purple iridescence
Streak:Orange-red
Hardness (Mohs):1½ - 2
Tenacity:Flexible
Cleavage:Perfect
Perfect on {001}
Fracture:Splintery
Density (measured):3.92 g/cm3
Density (calculated):3.98 g/cm3
Comment:Calcuated on synthetic

Crystallography of Getchellite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Space Group Setting:P21/a
Cell Parameters:a = 11.8568Å, b = 9.0152Å, c = 10.1938Å
β = 116.45°
Ratio:a:b:c = 1.315 : 1 : 1.131
Unit Cell Volume:V 975.57 ų (Calculated from Unit Cell)
Z:8
Morphology:Massive, subhedral crystals to 2cm
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Getchellite

Type:Biaxial (+)
RI values: nα = 2.720
2V:Measured: 46°
Maximum Birefringence:δ = 2.720

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Type:Anisotropic
Anisotropism:Weak
Dispersion:r > v strong

Chemical Properties of Getchellite

Formula:
AsSbS
 
3
Essential elements:As, S, Sb
All elements listed in formula:As, S, Sb

Relationship of Getchellite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.FA.05Duranusite
As
 
4
S
2.FA.10Dimorphite
As
 
4
S
 
3
2.FA.15bPararealgar
As
 
4
S
 
4
2.FA.15aRealgar
As
 
4
S
 
4
2.FA.15cUM1970-19-S:As
As
 
4
S
 
4
2.FA.15dUM1970-18-S:As
As
 
4
S
 
4
2.FA.20Alacránite
As
 
8
S
 
9
2.FA.25Uzonite
As
 
4
S
 
5
2.FA.30Laphamite
As
 
2
(Se,S)
 
3
2.FA.30Orpiment
As
 
2
S
 
3
2.FA.40Wakabayashilite
[(As,Sb)
 
6
S
 
9
][As
 
4
S
 
5
]
Related Minerals - Hey's Index Grouping:

- +
3.7.1Patrónite
VS
 
4
3.7.2Duranusite
As
 
4
S
3.7.3Dimorphite
As
 
4
S
 
3
3.7.4Realgar
As
 
4
S
 
4
3.7.5Pararealgar
As
 
4
S
 
4
3.7.6Alacránite
As
 
8
S
 
9
3.7.7Uzonite
As
 
4
S
 
5
3.7.8Orpiment
As
 
2
S
 
3
3.7.9Jeromite
3.7.10Laphamite
As
 
2
(Se,S)
 
3
3.7.12Wakabayashilite
[(As,Sb)
 
6
S
 
9
][As
 
4
S
 
5
]
3.7.13Pääkkönenite
Sb
 
2
AsS
 
2
3.7.14Stibnite
Sb
 
2
S
 
3
3.7.15Metastibnite
Sb
 
2
S
 
3
3.7.16Tellurantimony
Sb
 
2
Te
 
3
3.7.17Bismuthinite
Bi
 
2
S
 
3
3.7.18Nevskite
Bi(Se,S)
3.7.19Guanajuatite
Bi
 
2
(Se,S)
 
3
3.7.21Ikunolite
Bi
 
4
(S,Se)
 
3
3.7.22Laitakarite
Bi
 
4
Se
 
2
S
3.7.23Poubaite
PbBi
 
2
(Se,Te,S)
 
4
3.7.24Tellurobismuthite
Bi
 
2
Te
 
3
3.7.25Součekite
PbCuBi(S,Se)
 
3
3.7.26Tsumoite
BiTe
3.7.27Pilsenite
Bi
 
4
Te
 
3
3.7.28Hedleyite
Bi
 
7
Te
 
3
3.7.29Tetradymite
Bi
 
2
Te
 
2
S
3.7.30Joséite
Bi
 
4
TeS
 
2
3.7.31Joséite-B
Bi
 
4
Te
 
2
S
3.7.32Ingodite
Bi
 
2
TeS
3.7.33Sulphotsumoite
Bi
 
3
Te
 
2
S
3.7.34Kawazulite
Bi
 
2
Te
 
2
Se
3.7.36Skippenite
Bi
 
2
TeSe
 
2
3.7.37Kochkarite
PbBi
 
4
Te
 
7
3.7.38Rucklidgeite
(Bi,Pb)
 
3
Te
 
4
3.7.39Aleksite
PbBi
 
2
Te
 
2
S
 
2
3.7.40Junoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16

Other Names for Getchellite

Synonyms:
IMA1965-010
Other Languages:
German:Getchellit
Russian:Гетчеллит
Simplified Chinese:硫砷锑矿
Spanish:Getchellita
Traditional Chinese:硫砷銻礦

Other Information

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

References for Getchellite

Reference List:

- +
American Mineralogist: 50: 1817-1826.

Geological Society of America, Program with Abstracts: 1969(7): 86-87.

Acta Crystallographica, Section A: B29 (part 11): 2536-2541.

Internet Links for Getchellite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Getchellite details from Handbook of Mineralogy (PDF)
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    • Localities for Getchellite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Azerbaijan
     
    • Naxçıvan District (Naxcivan; Nakhichevan)
      • Siahrud
    		P Haas collection
    China
     
    • Guizhou Province
      • Qianxi'nan Autonomous Prefecture
    		Shifeng Dai, Rongshu Zeng, and Yuzhuang Sun (2006): International Journal of Coal Geology 66(3), 217-226.
    France
     
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
        • La Chapelle en Valgaudemard
    		Bourgoin, V., Favreau, G., Boulliard, J.-C. (2011): Jas Roux: un gisement exceptionnel à minéraux de thallium. Le Cahier des Micromonteurs, 3-2011, 2-91.
    Iran
     
    • West Azarbaijan Province (West Azerbaijan Province)
      • Takab (Takan Tepe)
    		Daliran, F. (2008): The carbonate rock-hosted epithermal gold deposit of Agdarreh, Takab geothermal field, NW Iran—hydrothermal alteration and mineralisation. Mineralium Deposita, 43, 383-404
    Mehrabi, B. (2008): Journal of Sciences, Islamic Republic of Iran 19, 137-143; Mehrabi, B., Yardley, B.W.D., and Cann, J.R. (1999): Mineralium Deposita 34, 673-696; Asadi, H.H., Voncken, J.H.L, Kühnel, R.A., and Hale, M. (2000): Mineralium Deposita 35, 656-671
    Japan
     
    • Hokkaido
      • Abuta-gun
        • Takarada
    		Kato, A. (1970) Koubutsu-Gakkai Kou'en-Youshi, 25.; American Mineralogist, Volume 67, pages 621-624, 1982
    Kyrgyzstan
     
    • Osh Oblast
      • Alai (Alay) Range
    		[Lapis 1993:11 p11-24]
    [Lapis 11:11-24]
    Pakistan
     
    • Khyber Pakhtunkhwa (North-West Frontier Province)
    		Ikram Mineralogy (Wholly owned & manage by Ikram Nature Exploration (Pvt) Ltd).
    Ikram Mineralogy (Wholly owned & manage by Ikram Nature Exploration (Pvt) Ltd).
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    USA
     
    • Nevada
      • Eureka Co.
        • Lynn District
          • Elko
    		Min.Rec.:20:469.
      • Humboldt Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Potosi District
          • Adam Peak
    		Am Min 50:1817-1826; American Mineralogist, Volume 68, pages 235-244, 1983
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
      • Nye Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
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