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Utahite

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Formula:
Cu
 
5
Zn
 
3
(TeO
 
4
)
 
4
(OH)
 
8
· 7H
 
2
O
System:TriclinicColour:Light blue, blue-green
Lustre:Vitreous, PearlyHardness:4 - 5
Name:Named after its discovery locality, Centennial Eureka Mine, Tintic District, Utah, USA.
This page provides mineralogical data about Utahite.

Classification of Utahite

IMA status:Approved
Strunz 8th edition ID:4/K.15-19
Nickel-Strunz 10th (pending) edition ID:7.DE.25

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified
Dana 7th edition ID:33.1.5.1
mindat.org URL:http://www.mindat.org/min-7348.html
Please feel free to link to this page.

Type Occurrence of Utahite

Type Locality:Centennial Eureka Mine (Blue Rock), Eureka, Tintic District, East Tintic Mts, Juab Co., Utah, USA

Physical Properties of Utahite

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Colour:Light blue, blue-green
Hardness (Mohs):4 - 5

Crystallography of Utahite

Crystal System:Triclinic

Optical Data of Utahite

Type:Biaxial
RI values: nα = 1.830 - 1.840 nβ = 1.830 - 1.900 nγ = 1.880 - 1.900
Maximum Birefringence:δ = 0.050 - 0.060

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

Chemical Properties of Utahite

Formula:
Cu
 
5
Zn
 
3
(TeO
 
4
)
 
4
(OH)
 
8
· 7H
 
2
O
Simplified for copy/paste:Cu5Zn3(TeO4)4(OH)8·7H2O
Essential elements:Cu, H, O, Te, Zn
All elements listed in formula:Cu, H, O, Te, Zn

Relationship of Utahite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DE.05Mangazeite
Al
 
2
(SO
 
4
)(OH)
 
4
· 3H
 
2
O
7.DE.10Carbonatecyanotrichite
Cu
 
4
Al
 
2
(CO
 
3
,SO
 
4
)(OH)
 
12
· 2H
 
2
O
7.DE.10Cyanotrichite
Cu
 
4
Al
 
2
(SO
 
4
)(OH)
 
12
· 2H
 
2
O
7.DE.10UKI-1975-(SO:AlCu)
(Cu, Al, SO
 
4
, H
 
2
O)
7.DE.15Schwertmannite
Fe
3+
16
(OH,SO
 
4
)
 
12-13
O
 
16
· 10-12H
 
2
O
7.DE.20Tlalocite
Cu
 
10
Zn
 
6
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)(OH)
 
25
Cl · 27H
 
2
O
7.DE.35Coquandite
Sb
 
6+x
O
 
8+x
(SO
 
4
)(OH)
 
x
(H
 
2
O)
 
1- x
(x = 0.3)
7.DE.40Osakaite
Zn
 
4
(SO
 
4
)(OH)
 
6
· 5H
 
2
O
7.DE.45Wilcoxite
MgAl(SO
 
4
)
 
2
F · 17H
 
2
O
7.DE.50Stanleyite
(V
4+
 
O)(SO
 
4
) · 6H
 
2
O
7.DE.55Mcalpineite
Cu
 
3
(Te
6+
 
O
 
6
) · H
 
2
O
7.DE.60Hydrobasaluminite
Al
 
4
(SO
 
4
)(OH)
 
10
· 12-36H
 
2
O
7.DE.62Volaschioite
Fe
 
4
(SO
 
4
)O
 
2
(OH)
 
6
· 2H
 
2
O
7.DE.65Zaherite
Al
 
12
(SO
 
4
)
 
5
(OH)
 
26
· 20H
 
2
O
7.DE.70Lautenthalite
PbCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
· 3H
 
2
O
7.DE.75Camerolaite
Cu
 
4
Al
 
2
(HSbO
 
4
,SO
 
4
)(CO
 
3
)(OH)
 
10
· 2H
 
2
O

Other Names for Utahite

Synonyms:
IMA1995-039
Other Languages:
German:Utahit
Spanish:Utahita

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 Utahite

Reference List:

- +
Mineralogical Record (1997): 28: 175-179.

Mineralogical Record (1998): 29: 478.

Internet Links for Utahite

Search Engines:
  • Look for Utahite on Google
  • Look for Utahite images on Google
  • External Links:
  • Look for Utahite on Webmineral
  • Look for Utahite on Athena Mineralogy
  • Look for Utahite on Wikipedia
  • Look for Utahite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Utahite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy from David K Joyce minerals
  • Fine and rare minerals from mintreasure.com
  • Lapis Mineral Magazin
  • Buy minerals from YourMineralCollection
  • Search for Utahite on Well-Arranged Molecules
  • Fine minerals from bisbeeborn.com
  • Fabre Minerals - search for Utahite specimens
  • Fine Minerals from Weinrich Minerals, Inc.
  • The Arkenstone - Fine Minerals
  • Buy RARE Minerals from Rocks of Africa
  • Localities for Utahite

    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.
    (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.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
    Dr. Peter Megaw, analysis by Dr. Malcomb E. Back, Royal Ontario Museum, Canada.
    • Utah
      • Juab Co.
        • East Tintic Mts
          • Tintic District
            • Eureka
    MR 28, pg175-179 (1997); MR 29, #5, pg478 (1998)
            • Mammoth
    Collected by Brent Thorne
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. 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.
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