Eulytite Mineral Data (original) (raw)

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 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),

Click Here for Large Eulytite Structure Window Crystal Structure:

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Help on Above

| | 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: