Takovite Mineral Data + Say TAKOVITE

General Takovite Information
Help on Chemical Formula: Chemical Formula: Ni6Al2(OH)16(CO3,OH)·4(H2O)
Help on Composition: Composition: Molecular Weight = 799.54 gm
   Aluminum   6.75 %  Al   12.75 % Al2O3
   Nickel    44.04 %  Ni   56.05 % NiO
   Hydrogen   3.06 %  H    27.32 % H2O
   Carbon     1.13 %  C     4.13 % CO2
   Oxygen    45.02 %  O
            ______        ______ 
            100.00 %      100.25 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni6Al2(OH)16(CO3)0.75(OH)0.25·4(H2O)
Help on Environment: Environment: Metamorphosed serpentinite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Takovo, Serbia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: Eardleyite-Zn
 

Takovite Image

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

Takovite

Comments: Aqua-colored takovite on rock.
Location: Carr-Boyd Nickel Mine, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Takovite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:7.47682
Help on Cell Dimensions: Cell Dimensions: a = 6.04, c = 45.16, Z = 3; V = 1,426.79 Den(Calc)= 2.79
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.57(1), 1.917(0.9), 2.552(0.9),2.26(0.8), 3.77(0.8), 1.708(0.7), 2.38(0.5), 2.6(0.4),
 

Physical Properties of Takovite

Help on Color: Color: Blue green, Yellow green.
Help on Density: Density: 2.798
Help on Diaphaniety: Diaphaniety: Transparent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Pearly
 

Optical Properties of Takovite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.051 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2156,KPDmeas= 0.215,KC= 0.2266
Help on Optical Data: Optical Data: Uniaxial (-), e=1.598, w=1.605, bire=0.0070.
 

Calculated Properties of Takovite

Help on Electron Density: Electron Density:

relectron=2.81 gm/cc
note: rTakovite =2.79 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.00532
Boson Index = 0.99468
Help on Photoelectric: Photoelectric:

PETakovite = 17.27 barns/electron
U=PETakovite x relectron= 48.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Takovite is Not Radioactive
 

Takovite Classification
Help on Dana Class: Dana Class: 16b.6.3.2 (16b)Carbonates - Hydroxyl or Halogen
  (16b.6)Dana Type
  (16b.6.3)Sjorgrenite-Hydrotalcite Group (Hydrotalcite Subgroup:Rhombohedral)
 
16b.6.3.1 Reevesite Ni6Fe2(CO3)(OH)16·4(H2O) R 3m 3 2/m
 
16b.6.3.2 Takovite Ni6Al2(OH)16(CO3,OH)·4(H2O) R 3m 3 2/m
 
16b.6.3.3 Comblainite Ni6Co2(CO3)(OH)16·4(H2O) R 3m 3 2/m
Help on Strunz Class: Strunz Class: V/E.03-50 V - Nitrates, Carbonates and Borates
  V/E - Water-bearing carbonates with unfamiliar anions
  V/E.03 - Hydrotalcite group
 
V/E.03-10 Hydrotalcite Mg6Al2(CO3)(OH)16·4(H2O) R 3m 3 2/m
 
V/E.03-20 Stichtite Mg6Cr2(CO3)(OH)16·4(H2O) R 3m 3 2/m
 
V/E.03-30 Pyroaurite Mg6Fe2(CO3)(OH)16·4(H2O) R 3m 3 2/m
 
V/E.03-40 Desautelsite Mg6Mn2(CO3)(OH)16·4(H2O) R 3m or R 3m Trig
 
V/E.03-50 Takovite Ni6Al2(OH)16(CO3,OH)·4(H2O) R 3m 3 2/m
 
V/E.03-60 Reevesite Ni6Fe2(CO3)(OH)16·4(H2O) R 3m 3 2/m
 
V/E.03-70 Comblainite Ni6Co2(CO3)(OH)16·4(H2O) R 3m 3 2/m
 
V/E.03-80 Sergeevite Ca2Mg11(CO3)9(HCO3)4(OH)4·6(H2O) R 32 3 2
 

Other Takovite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Takovite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

Search for Takovite using:

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

Visit our Advertisers for Takovite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
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
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Takovite Mineral Data :

Ask about Takovite 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 Español

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

Takovite

Ni6Al2(OH)16(CO3,OH)·4(H2O)
Dana No: 16b.6.3.2 Strunz No: V/E.03-50
Locality:

 

Notes:

 
 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links