General Leisingite Information
|
Chemical Formula: |
Cu(Mg,Cu,Fe,Zn)2Te++++++O6·6(H2O) |
Composition: |
Molecular Weight = 481.14 gm |
| |
Magnesium 5.05 % Mg 8.38 % MgO |
| |
Zinc 2.72 % Zn 3.38 % ZnO |
| |
Iron 3.48 % Fe 4.48 % FeO |
| |
Copper 19.81 % Cu 14.87 % Cu2O / 8.27 % CuO |
| |
Tellurium 26.52 % Te 33.17 % TeO2 |
| |
Hydrogen 2.51 % H 22.47 % H2O |
| |
Oxygen 39.90 % O |
| |
______ ______ |
| |
100.00 % 95.01 % = TOTAL OXIDE |
Empirical Formula: |
CuMgCu0.5Fe2+0.3Zn0.2TeO6·6(H2O) |
Environment: |
From a secondary alteration zone. |
IMA Status: |
Approved IMA 1997 (Dana # Added) |
Locality: |
The dumps of the Centennial Eureka mine, Tintic District, Juab County, Utah, USA. Link to MinDat.org Location Data. |
Name Origin: |
For Mr. Joseph F. Leising (1949-), geologist and mineral collector of Reno, Nevada, USA. |
Synonym: |
ICSD 76868 |
| |
IMA1995-011 |
| |
Leisingite Image |
Images:
|
|
Leisingite
Comments: Very small yellow crystal of Leisingite on quartz.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA.
Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag |
|
Leisingite Crystallography
|
Axial Ratios: |
a:c = 1:1.82714 |
Cell Dimensions: |
a = 5.305, c = 9.693, Z = 1; V = 236.24 Den(Calc)= 3.38 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 31m |
X Ray Diffraction: |
By Intensity(I/Io): 9.7(1), 4.834(0.8), 2.556(0.7),2.326(0.7), |
Forms:
Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize
Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above
|
|
|
Forms:
[ 0 1 0]
[ 1 0 0]
[ 0 0 1]
Warning: this large pop-up is very compute intensive and
may not work well with some computers.
|
|
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
|
|
|
Margison S M , Grice J D , Groat L A , The Canadian Mineralogist , 35 (1997) p.759-763, The crystal structure of leisingite, (Cu,Mg,Zn)2(Mg,Fe)TeO6.6H2O
|
|
| |
Physical Properties of Leisingite
|
Cleavage: |
[001] Perfect |
Color: |
Yellow, Yellowish orange. |
Density: |
3.41 |
Diaphaniety: |
Transparent to Translucent |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Habit: |
Platy - Sheet forms (e.g. micas). |
Hardness: |
3-4 - Calcite-Fluorite |
Luster: |
Vitreous - Silky |
Streak: |
light yellow |
| |
Optical Properties of Leisingite
|
Optical Data: |
Uniaxial (-), e=1.581, w=1.803, bire=0.2220. |
| |
Calculated Properties of Leisingite
|
Electron Density: |
relectron=3.22 gm/cc note: rLeisingite =3.38 gm/cc. |
Fermion Index |
Fermion Index = 0.02828 Boson Index = 0.97172 |
Photoelectric: |
PELeisingite = 96.76 barns/electron U=PELeisingite x relectron= 311.74 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Leisingite is Not Radioactive |
| |
Leisingite Classification
|
Dana Class: |
33.2.9.1 (33)Selenates and Tellurates |
| |
(33.2)as A+ (B++)m XO6 Zq · x(H2O) where x can equal 0 |
| |
(33.2.9)Dana Group |
| |
33.2.9.1 Leisingite ! Cu(Mg,Cu,Fe,Zn)2TeO6·6(H2O) P 31m 3 2/m |
Strunz Class: |
IV/K.15-18 IV - Oxides |
| |
IV/K - Complex Tellurides with [TeO6]6-, [TeO3]2- and [TeO4]2- groups |
| |
IV/K.15 - Yafsoanite - Cuzticite series |
| |
IV/K.15-10 Frankhawthorneite Cu2TeO4(OH)2 P 21/n 2/m |
| |
IV/K.15-12 Xocomecatlite Cu3TeO4(OH)4 Unk Ortho |
| |
IV/K.15-15 Mcalpineite Cu3TeO6·(H2O) Unk Cubic |
| |
IV/K.15-16 Jensenite Cu3TeO6·2(H2O) P 21/n 2/m |
| |
IV/K.15-18 Leisingite Cu(Mg,Cu,Fe,Zn)2TeO6·6(H2O) P 31m 3 2/m |
| |
IV/K.15-19 Utahite! Cu5Zn3(TeO4)4(OH)8·7(H2O) P1 or P1 Tri |
| |
IV/K.15-20 Cuzticite Fe2TeO6·3(H2O) Unk Hex |
| |
IV/K.15-30 Yafsoanite Ca3Te2Zn3O12 I a3d 4/m 3 2/m |
| |
IV/K.15-40 Khinite PbCu3TeO6(OH)2 F ddd 2/m 2/m 2/m |
| |
IV/K.15-50 Parakhinite Cu3PbTeO4(OH)6 P 6222 or P 6422 6 2 2 |
| |
IV/K.15-60 Montanite Bi2TeO6·2(H2O) Mono |
| |
Other Leisingite Information
|
References: |
NAME( MinRec, Vol 28, No. 3) PHYS. PROP.(Min.Mag.,Vol.60,p653-657,1996) OPTIC PROP.(MinRec, Vo. 28, No. 3) |
See Also: |
Links to other databases for Leisingite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 -Google Images
4 -Google Scholar
5 -Handbook of Mineralogy (UofA)
6 -MinDAT
7 -MinMax(Deutsch)
8 -MinMax(English)
9 -Mineralienatlas (Deutsch)
10 -QUT Mineral Atlas
11 - WWW-MINCRYST
Search for Leisingite using:
[ALTAVISTA]
[AOL]
[About.com]
[All-The-Web]
[HotBot]
[Ixquick]
[LookSmart]
[MAMMA]
[MSN.COM]
[Netscape]
[Teoma]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Leisingite :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop
Translate Leisingite Mineral Data :
Ask about Leisingite 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 Leisingite Specimen Label here :
|
Leisingite
Cu(Mg,Cu,Fe,Zn)2Te++++++O6·6(H2O)
Dana No: 33.2.9.1 Strunz No: IV/K.15-18
Locality:
Notes:
|
|
| |
| |
|
| |