Elyite Mineral Data

Elyite Mineral Data
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General Elyite Information

Help on Chemical Formula: Chemical Formula: Pb4Cu(SO4)O2(OH)4•(H2O)
Help on Composition: Composition: Molecular Weight = 1,106.45 gm
   Copper     5.74 %  Cu    7.19 % CuO
   Hydrogen   0.55 %  H     4.88 % H2O
   Lead      74.91 %  Pb   80.69 % PbO
   Sulfur     2.90 %  S     7.24 % SO3
   Oxygen    15.91 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb4Cu(SO4)O2(OH)4•(H2O)
Help on Environment: Environment: In vugs in oxidizing Pb-Cu-Zn sulfide ores. Common as a smelter product in slags.
Help on IMA Status: IMA Status: Approved IMA 1972
Help on Locality: Locality: Silver King mine, Ward, Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John Ely, an important figure in the early mining history of eastern Nevada.
Help on Name Pronunciation: Name Pronunciation: Elyite Say ELYITE
Help on Synonym: Synonym: ICSD 89798
  PDF 50-1613
 

Elyite Image

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

Comments: Purple acicular crystals of elyite.
Location: Kurfurst-Ernst, Bonkhausen, Sauerland, Nordrhein-Westfalen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Elyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.2342:1:1.2669
Help on Cell Dimensions: Cell Dimensions: a = 14.233, b = 11.532, c = 14.611, Z = 8; beta = 100.45° V = 2,358.40 Den(Calc)= 6.23
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.999(1), 7.189(0.99), 2.995(0.73),
Click Here for Large Elyite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Kolitsch U , Giester G , American Mineralogist , 85 (2000) p.1816-1821, Elyite, Pb4Cu(SO4)O2(OH)4.H2O: Crystal structure and new data

 

Physical Properties of Elyite

Help on Cleavage: Cleavage: {100} Good
Help on Color: Color: Violet, Lavender.
Help on Density: Density: 6
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Silky
Help on Streak: Streak: white
 

Optical Properties of Elyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.11 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.069 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1593,KPDmeas= 0.1654,KC= 0.149
Ncalc = 1.89 - 1.93
Help on Optical Data: Optical Data: Biaxial (-), a=1.99, b=1.993, g=1.994, bire=0.0040, 2V(Calc)=58, 2V(Meas)=66.
 

Calculated Properties of Elyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.26 gm/cc
note: Specific Gravity of Elyite =6.23 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.16
Boson Index = 0.84
Help on Photoelectric: Photoelectric: PEElyite =1,365.28 barns/electron
U=PEElyite x rElectron Density=7,179.99 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Elyite is Not Radioactive
 

Elyite Classification
Help on Dana Class: Dana Class: 30.01.02.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.01)where (A B)m (XO4)p Zq where m:p>2:1
  (30.01.02)Dana Group
 
30.01.02.01 Elyite Pb4Cu(SO4)O2(OH)4•(H2O) P 21/c 2/m
Help on Strunz Class: Strunz Class: 07.DF.65 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
 
07.DF.65 Elyite Pb4Cu(SO4)O2(OH)4•(H2O) P 21/c 2/m
 

Other Elyite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(AmMin, Vol 85, p 1816) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Elyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Elyite

Pb4Cu(SO4)O2(OH)4•(H2O)
Dana No: 30.01.02.01 Strunz No: 07.DF.65
Locality:

 

Notes: