Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Schieffelinite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Grand Central Mine, Contention-Grand Central Mine group, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
© JBS 2006

Show Schieffelinite Photos (7)



Formula:
Pb
 
8
(TeO
 
4
)
 
5
(SO
 
4
)
 
3
 · 8H
 
2
O
System:OrthorhombicColour:Colorless, milk-white
Hardness:2
Name:
Named after Ed Schieffelin (1847-1897), the prospector who discovered the Tombstone mining district.


A chromate-analogue of schieffelinite is mentioned in Marty et al. (2010), and was later approved as chromschieffelinite.

Classification of Schieffelinite

IMA status:Approved 1979
Strunz 8th edition ID:4/K.17-20
Nickel-Strunz 10th (pending) edition ID:7.CD.55

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
D : With only large cations
Dana 7th edition ID:33.3.1.1
Dana 8th edition ID:33.3.1.1

33 : SELENATES AND TELLURATES
3 : Compound Selenates and Tellurates
Hey's CIM Ref.:28.4.6

28 : Selenites, Selenates, Tellurites, and Tellurates
4 : Tellurates
mindat.org URL:http://www.mindat.org/min-3566.html
Please feel free to link to this page.

Type Occurrence of Schieffelinite

Type Locality:Joe Mine (Joe shaft), Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
General Appearance of Type Material:Clusters of intergrown colorless or milk-white scales.
Place of Conservation of Type Material:Smithsonian R18474
Year of Discovery:1979
Geological Setting of type material:In a shattered quartz vein.

Physical Properties of Schieffelinite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colorless, milk-white
Hardness (Mohs):2
Cleavage:Very Good
Easy on {010}
Density (measured):4.98(12) g/cm3
Density (calculated):5.15 g/cm3

Crystallography of Schieffelinite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Cmcm {C2/m 2/c 21/m}
Space Group Setting:Cmcm
Cell Parameters:a = 9.67Å, b = 19.56Å, c = 10.47Å
Ratio:a:b:c = 0.494 : 1 : 0.535
Unit Cell Volume:V 1,980.35 ų (Calculated from Unit Cell)
Z:16
Morphology:Platy or scaly to 1mm

Optical Data of Schieffelinite

Type:Biaxial (-)
RI values: nα = 1.897 nβ = 1.940 nγ = 1.942
2V:Measured: 24° , Calculated: 22°
Maximum Birefringence:δ = 0.045

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v extreme

Chemical Properties of Schieffelinite

Formula:
Pb
 
8
(TeO
 
4
)
 
5
(SO
 
4
)
 
3
 · 8H
 
2
O
Essential elements:H, O, Pb, S, Te
All elements listed in formula:H, O, Pb, S, Te

Relationship of Schieffelinite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.CD.05Matteuccite
NaHSO
 
4
 · H
 
2
O
7.CD.10Mirabilite
Na
 
2
SO
 
4
 · 10H
 
2
O
7.CD.15Lecontite
(NH
 
4
,K)NaSO
 
4
 · 2H
 
2
O
7.CD.20Hydroglauberite
Na
 
10
Ca
 
3
(SO
 
4
)
 
8
 · 6H
 
2
O
7.CD.25Eugsterite
Na
 
4
Ca(SO
 
4
)
 
3
 · 2H
 
2
O
7.CD.30Görgeyite
K
 
2
Ca
 
5
(SO
 
4
)
 
6
 · H
 
2
O
7.CD.35Koktaite
(NH
 
4
)
 
2
Ca(SO
 
4
)
 
2
 · H
 
2
O
7.CD.35Syngenite
K
 
2
Ca(SO
 
4
)
 
2
 · H
 
2
O
7.CD.40Gypsum
CaSO
 
4
 · 2H
 
2
O
7.CD.45Bassanite
CaSO
 
4
 · 0.5H
 
2
O
7.CD.50Zircosulfate
(Zr,Ti)(SO
 
4
)
 
2
 · 4H
 
2
O
7.CD.60Montanite
Bi
 
2
(TeO
 
6
) · 2H
 
2
O
7.CD.65Omongwaite
Na
 
2
Ca
 
5
(SO
 
4
)
 
6
 · 3H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
28.4.1Xocomecatlite
Cu
 
3
(TeO
 
4
)(OH)
 
4
28.4.2Carlfriesite
CaTe
4+
2
Te
6+
 
O
 
8
28.4.3Yafsoanite
Ca
 
3
Zn
 
3
(TeO
 
6
)
 
2
28.4.4Tlalocite
Cu
 
10
Zn
 
6
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)(OH)
 
25
Cl · 27H
 
2
O
28.4.5Oboyerite
H
 
6
(Pb,Ca)
 
6
(Te
4+
 
O
 
3
)
 
3
(Te
6+
 
O
 
6
)
 
2
 · 2H
 
2
O
28.4.7Girdite
H
 
2
Pb
 
3
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
28.4.8Khinite
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
28.4.9Parakhinite
Pb
2+
 
Cu
2+
3
Te
6+
 
O
 
6
(OH)
 
2
28.4.10Dugganite
Pb
 
3
Zn
 
3
(AsO
 
4
)
 
2
(TeO
 
6
)
28.4.11Kuksite
Pb
 
3
Zn
 
3
(PO
 
4
)
 
2
(TeO
 
6
)
28.4.12Cheremnykhite
Pb
 
3
Zn
 
3
(VO
 
4
)
 
2
(TeO
 
6
)
28.4.13Tlapallite
H
 
6
(Ca,Pb)
 
2
(Cu,Zn)
 
3
(TeO
 
3
)
 
4
(TeO
 
6
)(SO
 
4
)
28.4.14Montanite
Bi
 
2
(TeO
 
6
) · 2H
 
2
O
28.4.15Kuranakhite
PbMn
4+
 
Te
6+
 
O
 
6
28.4.16Cuzticite
Fe
3+
2
(TeO
 
6
) · 3H
 
2
O
28.4.17Yecoraite
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
 · 9H
 
2
O

Other Names for Schieffelinite

Synonyms:
IMA1979-043
Other Languages:
German:Schieffelinit
Spanish:Schieffelinita

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 Schieffelinite

Reference List:

- +
Williams, S.A. (1980a), Schieffelinite, a new lead tellurate-sulfate from Tombstone, AZ, Mineralogical Magazine: 43: 771-773.

American Mineralogist (1981): 66: 219.

Marty, J., Kampf, A. R., Housley, R. M., Mills, S. J. & Weiß, S.. (2010). Seltene neue Tellurmineralien aus Kalifornien, Utah, Arizona und New Mexiko (USA). Lapis, 35 (12), 42-51; 66.

Internet Links for Schieffelinite

Search Engines:
  • Look for Schieffelinite on Google
  • Look for Schieffelinite images on Google
    • External Links:
  • Look for Schieffelinite on Webmineral
  • Look for Schieffelinite on Athena Mineralogy
  • Look for Schieffelinite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Schieffelinite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Search for minerals at Heliodor
  • Fine Minerals from Weinrich Minerals, Inc.
  • rare and unusual minerals mainly crystallized
  • Search for - Schieffelinite - on e-Rocks Mineral Sales & Auctions
  • Find Schieffelinite on www.crystalclassics.co.uk
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • Buy RARE Minerals from Rocks of Africa
  • Schieffelinite specimens for sale - minfind.com
  • High-end worldwide specimens & outstanding customer service
  • webminerals
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Schieffelinite

    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.
    China
     
    • Hebei Province
      • Zhangjiakou Prefecture
        • Chongli Co.
    		Jiuling Li, Makovicky, E., Rose Hansen, J., Petersen, S.B., Feng Qi, Yanhe Cui, and Qingsheng Xu (2001): Geoscience 15(2), 189-196
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
            • Contention-Grand Central Mine group
    		Rocks & Min.:57:12.
    In the collection of Brent Thorne
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 364; Williams, S.A. (1980a), Schieffelinite, a new lead tellurate-sulfate from Tombstone, AZ, Min.Mag.: 43: 771-773; Rocks & Min.:57:16.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 13th May 2013 20:41:54
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds