Eulytite Mineral Data

Eulytite Mineral Data
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General Eulytite Information

Help on Chemical Formula: Chemical Formula: Bi4(SiO4)3
Help on Composition: Composition: Molecular Weight = 1,112.17 gm
   Silicon   7.58 %  Si   16.21 % SiO2
   Bismuth  75.16 %  Bi   83.79 % Bi2O3
   Oxygen   17.26 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Bi4(SiO4)3
Help on Environment: Environment: Found with native bismuth.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1827
Help on Locality: Locality: Saxony, near Schneeberg. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek eulitos = "easily liquefiable", in allusion to its low melting point.
Help on Name Pronunciation: Name Pronunciation: Eulytite Say EULYTITE
Help on Synonym: Synonym: Eulytine
 

Eulytite Image

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Eulytite

Comments: Brown, isometric crystals of eulytite on matrix.
Location: Schneeberg, Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Eulytite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 10.27, Z = 4; V = 1,083.21 Den(Calc)= 6.82
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.2(1), 3.257(0.9), 2.752(0.85),
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Segal D J , Santoro R P , Newnham R E , Zeitschrift fur Kristallographie , 123 (1966) p.73-76, Neutron-diffraction study of Bi4Si3O12, Locality: synthetic

 

Physical Properties of Eulytite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Colorless, Gray, Yellow, Yellow brown, Dark brown.
Help on Density: Density: 6.6
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Eulytite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.049 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.154,KPDmeas= 0.1591,KC= 0.1619
Ncalc = 2.07 - 2.1
Help on Optical Data: Optical Data: Isotropic, n=2.05.
 

Calculated Properties of Eulytite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.58 gm/cc
note: Specific Gravity of Eulytite =6.60 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0036215397
Boson Index = 0.9963784603
Help on Photoelectric: Photoelectric: PEEulytite =1,431.46 barns/electron
U=PEEulytite x rElectron Density=7,985.09 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Eulytite is Not Radioactive
 

Eulytite Classification
Help on Dana Class: Dana Class: 51.05.04.01 (51)Nesosilicate Insular SiO4 Groups Only
  (51.05)with cations in >[6] coordination
  (51.05.04)Dana Group
 
51.05.04.01 Eulytite Bi4(SiO4)3 I 43d 4 3m
Help on Strunz Class: Strunz Class: 09.AD.40 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AD -Nesosilicates without additional anions;
 
09.AD.40 Eulytite Bi4(SiO4)3 I 43d 4 3m
 

Other Eulytite Information
Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Eulytite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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Ask about Eulytite here :
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Print or Cut-and-Paste your Eulytite Specimen Label here :

Eulytite

Bi4(SiO4)3
Dana No: 51.05.04.01 Strunz No: 09.AD.40
Locality:

 

Notes: