Utahite Mineral Data

Utahite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Dan Weinrich Fine Minerals
[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions]
Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows


General Utahite Information

Help on Chemical Formula: Chemical Formula: Cu5Zn3(Te++++++O4)4(OH)8•7(H2O)
Help on Composition: Composition: Molecular Weight = 1,542.46 gm
   Zinc       12.72 %  Zn   15.83 % ZnO
   Copper     20.60 %  Cu   25.79 % CuO
   Tellurium  33.09 %  Te   41.39 % TeO2
   Hydrogen    1.44 %  H    12.85 % H2O
   Oxygen     32.16 %  O
             ______        ______ 
             100.00 %       95.85 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu5Zn3(TeO4)4(OH)8•7(H2O)
Help on Environment: Environment: An extremely rare secondary Cu-Te mineral found as a product of oxidation.
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: Locality: The Centennial Eureka mine, 1 mile southeast of Eureka, Tintic District, Juab County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Utahite Say UTAHITE
Help on Synonym: Synonym: IMA1995-039
 

Utahite Image

Click Here for Larger Utahite Image in a New Browser Window Images:
Click Here for Larger Utahite Image

Utahite

Comments: Blue utahite grain in matrix.
Location: Centennial Eureka Mine, Tintic District (East Tintic Mountains), Juab Co., Utah, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Utahite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8797:1:0.5662
Help on Cell Dimensions: Cell Dimensions: a = 8.794, b = 9.996, c = 5.66, Z = 1; alpha = 104.1°, beta = 90.066°, gamma = 96.3333° V = 479.61 Den(Calc)= 5.34
Help on Crystal System: Crystal System: TriclinicSpace Group: P1 or P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.841(1), 9.638(1), 2.747(0.6),8.736(0.5),
 

Physical Properties of Utahite

Help on Cleavage: Cleavage: None
Help on Color: Color: Pale blue, Greenish blue.
Help on Density: Density: 5.33
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: pale blue
 

Optical Properties of Utahite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.172 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.174 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1617,KPDmeas= 0.162,KC= 0.1957
Ncalc = 2.04 - 2.05
Help on Optical Data: Optical Data: Biaxial (?), a=1.83-1.84, b=1.83-1.9, g=1.88-1.9, bire=0.0500-0.0600
Help on RL Bireflectance: RL Bireflectance: Slight.
Help on RL Color: RL Color: Pale brown with green internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.
 

Calculated Properties of Utahite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.93 gm/cc
note: Specific Gravity of Utahite =5.33 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEUtahite = 125.84 barns/electron
U=PEUtahite x rElectron Density= 620.11 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Utahite is Not Radioactive
 

Utahite Classification
Help on Dana Class: Dana Class: 33.02.08.01 (33)Selenates and Tellurates
  (33.02)as A+ (B++)m XO6 Zq · x(H2O) where x can equal 0
  (33.02.08)Dana Group
 
33.02.08.01 Utahite! Cu5Zn3(TeO4)4(OH)8•7(H2O) P1 or P1 Tri
Help on Strunz Class: Strunz Class: 07.DE.25 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DE -With only medium-sized cations; unclassified
 
07.DE.25 Utahite! Cu5Zn3(TeO4)4(OH)8•7(H2O) P1 or P1 Tri
 

Other Utahite Information
Help on References: References: NAME( MinRec, Vol. 28, No. 3) PHYS. PROP.(Eur. J. Min.,Vol.8,1996) OPTIC PROP.(Eur. J. Min.,Vol.8,1996)
Help on See Also: See Also: Links to other databases for Utahite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineral and Gemstone Kingdom
11 - Mineralienatlas (Deutsch)
12 - QUT Mineral Atlas
13 - Ruff.Info

Search for Utahite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Utahite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Utahite Mineral Data :

Ask about Utahite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Utahite Specimen Label here :

Utahite

Cu5Zn3(Te++++++O4)4(OH)8•7(H2O)
Dana No: 33.02.08.01 Strunz No: 07.DE.25
Locality:

 

Notes: