Almbosite Mineral Data

General Almbosite Information

Chemical Formula:

Fe++5Fe+++4V+++++4Si3O27

Composition:

Molecular Weight = 1,222.63 gm

Vanadium 16.67 % V 29.75 % V₂O₅

Iron 41.11 % Fe 29.38 % FeO / 26.12 % Fe₂O₃

Silicon 6.89 % Si 14.74 % SiO₂

Oxygen 35.33 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Fe²⁺₅Fe³⁺₄V⁵⁺₄Si₃O₂₇

Environment:

Permian sandstones adjacent to the granodiorite-tonalite of the Adanello pluton. An inadequately described species.

IMA Status:

Discredited IMA 1987 - Published 1980

Locality:

Almhiitte Bos, Trentino-Alto Adige, Italy. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

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Almbosite Crystallography

Crystal System:

OrthorhombicSpace Group: Ortho ?

Physical Properties of Almbosite

Cleavage:

{???} Good

Color:

Blue gray.

Optical Properties of Almbosite

Optical Data:

Calculated Properties of Almbosite

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Almbosite= 15.98 barns/electron
U=PE_Almbosite x rElectron Density= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Almbosite is Not Radioactive

Almbosite Classification

Dana Class:

78.00.00.00 (78)Unclassified Silicate Minerals

(78.00)Without Dana Classification Numbers

(78.00.00)Unclassified Silicate

78.00.00.00 Almbosite? Fe5Fe4V4Si3O27 Ortho ? Ortho

78.00.00.00 Chelyabinskite* (Ca,Mg)3Si(OH)6(SO4,CO3)2•9(H2O) Unk Ortho

78.00.00.00 Cryptophyllite K2Ca[Si4O10]•5H2O P 2₁/n 2/m

78.00.00.00 IMA2007-041T Na2[Ti4O2(OH)2(SiO4)3]•6H2O R 3m 3m

78.00.00.00 IMA2009-001 Ba5(Ca,REE,Y)22(Ti,Nb)18(SiO4)4[(PO4),(SiO4)]4(BO3)9O22[(OH),F]43(H2O)1.5 R 3 3

78.00.00.00 Iddingsite? MgO.Fe2O3.3SiO2•4(H2O) Ortho

78.00.00.00 Ivanyukite-Cu Cu[Ti4(OH)2O2(SiO4)3]•7H2O P 4 3m 4 3m

78.00.00.00 Ivanyukite-K K2[Ti4(OH)2O2(SiO4)3]•9H2O P 4 3m 4 3m

78.00.00.00 Ivanyukite-Na Na2[Ti4O2(OH)2(SiO4)3]•6H2O P 4 3m 4 3m

78.00.00.00 Plumbophyllite Pb2Si4O10•H2O P bcn 2/m 2/m 2/m

78.00.00.00 Sturtite? (Fe3)(Mn2,Ca,Mg)Si4O10(OH)3•10(H2O) None

Strunz Class:

09.EC.40 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

09.EC.40 Almbosite? Fe5Fe4V4Si3O27 Ortho ? Ortho

09.EC.40 Beidellite Na0.5Al2(Si3.5Al0.5)O10(OH)2•n(H2O) C 2/m or ORTH 2/m

09.EC.40 Kurumsakite (Zn,Ni,Cu)8Al8V2Si5O35•27(H2O)(?) Unk Ortho

09.EC.40 Montmorillonite (Na,Ca)0,3(Al,Mg)2Si4O10(OH)2•n(H2O) C 2/m 2/m

09.EC.40 Nontronite Na0.3Fe2(Si,Al)4O10(OH)2•n(H2O) C 2/m 2/m

09.EC.40 Volkonskoite Ca0.3(Cr,Mg,Fe)2(Si,Al)4O10(OH)2•4(H2O) C 2/m 2/m

09.EC.40 Yakhontovite (Ca,K)0.5(Cu,Fe,Mg)2Si4O10(OH)2•3(H2O) C 2/m 2/m

Other Almbosite Information

References:

NAME( AmMin, v66:878) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988)

See Also:

Links to other databases for Almbosite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Almbosite

Fe++5Fe+++4V+++++4Si3O27
Dana No: 78.00.00.00 Strunz No: 09.EC.40
Locality:

Notes: