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Trattnerite Mineral Data

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General Trattnerite Information

Help on Chemical  Formula: Chemical Formula: (Fe,Mg)2(Mg,Fe)3(Si12O30)
Help on Composition: Composition: Molecular Weight = 1,017.34 gm
   Potassium   0.27 %  K     0.32 % K2O
   Sodium      0.07 %  Na    0.09 % Na2O
   Magnesium   5.88 %  Mg    9.75 % MgO
   Titanium    0.05 %  Ti    0.08 % TiO2
   Manganese   0.43 %  Mn    0.56 % MnO
   Aluminum    0.11 %  Al    0.20 % Al2O3
   Zinc        0.32 %  Zn    0.40 % ZnO
   Iron       12.57 %  Fe    2.12 % FeO / 15.62 % Fe2O3
   Silicon    33.13 %  Si   70.87 % SiO2
   Oxygen     47.18 %  O
             ______        ______ 
             100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.07Na0.03Mg2.46Fe3+1.99Fe2+0.3Mn2+0.08Zn0.05Al0.04Ti0.01Si12O30
Help on Environment: Environment: In small cavities of a silica-rich xenolith in a ha´┐Żyne nephelinite lava flow. Milarite group; structure determined
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: In a quarry near the village of Wilhelmsdorf, south-southeast of Bad Gleichenberg, eastern Styria, Austria Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Walter Trattner, a mineral collector with excellent knowledge of the mineralogy of the area in which the species was found.
Help on Synonym: Synonym: IMA2002-002
 

Trattnerite Image

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  Trattnerite

Comments: Dark-blue hexagonal plate of trattnerite in matrix.
Location: Stradner Kogel Mountain, Wilhelmsdorf, Bad Gleichenberg, Styria, Austria. Scale: See Image.
© Rruff Database

Trattnerite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.42666
Help on Cell Dimensions: Cell Dimensions: a = 10.05, c = 14.338, Z = 2; V = 1,254.16 Den(Calc)= 2.69
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6/mcc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.17(1)(002), 8.7(0.97)(100), 5.535(0.96)(102),3.207(0.85)(211), 5.026(0.61)(110), 4.352(0.53)(200), 2.767(0.38)(204), 4.115(0.37)(112),
 

Physical Properties of Trattnerite

Help on Cleavage: Cleavage: {001} Good, {100} Poor
Help on Color: Color: Deep blue, Yellowish green.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Trattnerite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2184,KC= 0.2234
Ncalc = 1.6
Help on Optical Data: Optical Data: Uniaxial (-), e=1.586, w=1.589, bire=0.0030.
 

Calculated Properties of Trattnerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Trattnerite =2.69 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PETrattnerite = 5.42 barns/electron
U=PETrattnerite x relectron= 14.40 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3.86 (Gamma Ray American Petroleum Institute Units)
Concentration of Trattnerite per GRapi unit = 25.90 (%)

Estimated Radioactivity from Trattnerite - barely detectable

 

Trattnerite Classification

Help on  Dana Class: Dana Class: 63.02.01a.17 (63)Cyclosilicate Condensed Rings
  (63.02)6-membered rings
  (63.02.01a)Milarite - Osumilite group (Milarite - Osumilite subgroup)
 
63.02.01a.01 Brannockite KSn2Li3Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.02 Chayesite K(Mg,Fe)4Fe(Si12O30) P 6/mcc 6/m 2/m 2/m
 
63.02.01a.03 Darapiosite KNa2Zr[Li(Mn,Zr)2Si12O30] P 6/mcc 6/m 2/m 2/m
 
63.02.01a.04 Eifelite KNa3Mg4Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.05 Merrihueite (K,Na)2(Fe,Mg)5Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.06 Osumilite-(Fe) (K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.07 Osumilite-(Mg) (K,Na)(Mg,Fe)2(Al,Fe)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.08 Poudretteite KNa2B3Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.09 Sugilite KNa2(Fe,Mn,Al)2Li3Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.10 Yagiite (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 P 6/mmc 6/m 2/m 2/m
 
63.02.01a.11 Dusmatovite K(K,Na,[])(Mn,Y,Zr)2(Zn,Li)3Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.12 Milarite K2Ca4Al2Be4Si24O60•(H2O) P 6/mcc 6/m 2/m 2/m
 
63.02.01a.13 Sogdianite (K,Na)2(Li,Fe,Al)3ZrSi12O30 P 6/mmm 6/m 2/m 2/m
 
63.02.01a.14 Roedderite (Na,K)2(Mg,Fe)5Si12O30 P 63/mmc 6/m 2/m 2/m
 
63.02.01a.15 Berezanskite! KLi3Ti2Si12O30 P 6/mcc 6/m 2/m 2/m
 
63.02.01a.16 Shibkovite! K(Ca,Mn,Na)2(K2-x,[]x)2ZnSi12O30(x~0.8) P 6/mcc 6/m 2/m 2/m
 
63.02.01a.17 Trattnerite! (Fe,Mg)2(Mg,Fe)3(Si12O30) P 6/mcc 6/m 2/m 2/m
 
63.02.01a.18 Almarudite! K([],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] P 6/mcc 6/m 2/m 2/m
 
63.02.01a.19 Oftedalite! (Sc,Ca)2KBe3Si12O30 P 6/mmc 6/m 2/m 2/m
 
63.02.01a.20 Klochite ([]1Na1)KFe2Zn3[Si12O30] P 6/mcc 6/m 2/m 2/m
 
63.02.01a.21 Friedrichbeckeite! K([],Na)Mg2(Be2Mg)Si12O30 P 6/mcc 6/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.CM.05 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CM -[Si6O18]12- 6-membered double rings (sechser-Doppelringe)
 
09.CM.05 Brannockite KSn2Li3Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Armenite BaCa2Al6Si9O30•2(H2O) Pnc2 mm2
 
09.CM.05 Berezanskite! KLi3Ti2Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Dusmatovite K(K,Na,[])(Mn,Y,Zr)2(Zn,Li)3Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Chayesite K(Mg,Fe)4Fe(Si12O30) P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Shibkovite! K(Ca,Mn,Na)2(K2-x,[]x)2ZnSi12O30(x~0.8) P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Eifelite KNa3Mg4Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Darapiosite KNa2Zr[Li(Mn,Zr)2Si12O30] P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Merrihueite (K,Na)2(Fe,Mg)5Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Roedderite (Na,K)2(Mg,Fe)5Si12O30 P 63/mmc 6/m 2/m 2/m
 
09.CM.05 Milarite K2Ca4Al2Be4Si24O60•(H2O) P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Osumilite-(Fe) (K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Osumilite-(Mg) (K,Na)(Mg,Fe)2(Al,Fe)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Poudretteite KNa2B3Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Sugilite KNa2(Fe,Mn,Al)2Li3Si12O30 P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Sogdianite (K,Na)2(Li,Fe,Al)3ZrSi12O30 P 6/mmm 6/m 2/m 2/m
 
09.CM.05 Oftedalite! (Sc,Ca)2KBe3Si12O30 P 6/mmc 6/m 2/m 2/m
 
09.CM.05 Yagiite (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 P 6/mmc 6/m 2/m 2/m
 
09.CM.05 Trattnerite! (Fe,Mg)2(Mg,Fe)3(Si12O30) P 6/mcc 6/m 2/m 2/m
 
09.CM.05 Almarudite! K([],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] P 6/mcc 6/m 2/m 2/m
 

Other Trattnerite Information

Help on References: References: NAME( CanMin, 42:1926) PHYS. PROP.(CanMin, 42:1926) OPTIC PROP.(CanMin, 42:1926)
Help on See Also: See Also: Links to other databases for Trattnerite :
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 Trattnerite Specimen Label here :

Trattnerite

(Fe,Mg)2(Mg,Fe)3(Si12O30)
Dana No: 63.02.01a.17 Strunz No: 09.CM.05
Locality:

 

Notes:

 

 
   
 


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