Alvanite Mineral Data

Alvanite Mineral Data +

[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop

General Alvanite Information

Chemical Formula:

(Zn,Ni)Al4(VO3)2(OH)12·2(H2O)

Composition:

Molecular Weight = 609.64 gm

Aluminum 17.70 % Al 33.45 % Al₂O₃

Vanadium 16.71 % V 24.59 % V₂O₃

Zinc 8.04 % Zn 10.01 % ZnO

Nickel 2.41 % Ni 3.06 % NiO

Hydrogen 2.65 % H 23.64 % H₂O

Oxygen 52.49 % O

______ ______

100.00 % 94.75 % = TOTAL OXIDE

Empirical Formula:

Zn_0.75Ni_0.25Al₄(VO3)₂(OH)₁₂·2(H₂O)

IMA Status:

Approved IMA 1959

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 69459

PDF 13-386

Search for Alvanite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Alvanite Crystallography

Axial Ratios:

a:b:c =3.4699:1:1.7305

Cell Dimensions:

a = 17.808, b = 5.132, c = 8.881, Z = 2; beta = 92.11° V = 811.09 Den(Calc)= 2.50

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 4.46(1), 8.91(0.9), 7.85(0.8),

Physical Properties of Alvanite

Cleavage:

[010] Perfect

Color:

Bluish green, Blue black, Black.

Density:

2.41 - 2.49, Average = 2.45

Hardness:

3-3.5 - Calcite-Copper Penny

Luster:

Vitreous (Glassy)

Streak:

gray

Optical Properties of Alvanite

Gladstone-Dale:

CI meas= -0.169 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.146 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2744,KPDmeas= 0.28,KC= 0.2394

Optical Data:

Biaxial (-), a=1.658, g=1.714, bire=0.0560, 2V(Meas)=80-85.

Calculated Properties of Alvanite

Electron Density:

r_electron=2.49 gm/cc
note: r_Alvanite=2.50 gm/cc.

Fermion Index

Fermion Index = 0.00424
Boson Index = 0.99576

Photoelectric:

PE_Alvanite= 8.48 barns/electron
U=PE_Alvanite x r_electron= 21.12 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Alvanite is Not Radioactive

Alvanite Classification

Dana Class:

42.13.13.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.13)Dana Type

(42.13.13)Dana Group

42.13.13.1 Alvanite (Zn,Ni)Al4(VO3)2(OH)12·2(H2O) P 2₁/n 2/m

42.13.13.2 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 2₁/n 2/m

Strunz Class:

IV/G.07-20 IV - Oxides

IV/G - Vanadiumoxides (with V4+/5+) Chain vanadates with [V2O6]2-

IV/G.07 - Navajoite-Metadelrioite series

IV/G.07-10 Navajoite V2O5·3(H2O) C 2/m 2/m

IV/G.07-15 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 2₁/n 2/m

IV/G.07-20 Alvanite (Zn,Ni)Al4(VO3)2(OH)12·2(H2O) P 2₁/n 2/m

IV/G.07-30 Munirite NaVO3·(2-x)(H2O) P 2₁/a 2/m

IV/G.07-40 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m

IV/G.07-45 Dickthomssenite! Mg(V2O6)·7(H2O) C 2/c 2/m

IV/G.07-48 Ansermetite! MnV2O6·4(H2O) C 2/m 2/m

IV/G.07-50 Rossite CaV2O6·4(H2O) P1 1

IV/G.07-60 Metarossite CaV2O6·2(H2O) P1 1

IV/G.07-70 Delrioite CaSrV2O6(OH)2·3(H2O) I/a or I2/a 2/m

IV/G.07-80 Metadelrioite CaSrV2O6(OH)2·(H2O) P1 1

Other Alvanite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Alvanite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Alvanite using:

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

Visit our Advertisers for Alvanite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Alvanite Mineral Data :

Ask about Alvanite 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 Alvanite Specimen Label here :

Alvanite

(Zn,Ni)Al4(VO3)2(OH)12·2(H2O)
Dana No: 42.13.13.1 Strunz No: IV/G.07-20
Locality:

Notes: