Fizelyite Mineral Data

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General Fizelyite Information

Chemical Formula:

Pb14Ag5Sb21S48 (?)

Composition:

Molecular Weight = 7,536.06 gm

Silver 7.16 % Ag

Antimony 33.93 % Sb

Lead 38.49 % Pb

Sulfur 20.42 % S

______

100.00 %

Empirical Formula:

Pb₁₄Ag₅Sb₂₁S₄₈

Environment:

In hydrothermal veins.

IMA Status:

Valid Species (Pre-IMA) 1926

Locality:

Kisbanya, Comitat Szatmar, Rumania. Link to MinDat.org Location Data.

Name Origin:

For Sandor Fizely, mining engineer, who discovered the mineral.

Name Pronunciation:

Fizelyite + Pronunciation

Fizelyite Image

Images:

Fizelyite

Comments: Galena and sphalerite with minor chalcopyrite and a heavy druse of acicular fizelyite crystals.
Location: Herja, Kisbanya, Transylvania, Romania. Scale: Crystal size 3 mm.
© John Veevaert

Fizelyite Crystallography

Axial Ratios:

a:b:c =0.6841:1:0.452

Cell Dimensions:

a = 13.167, b = 19.246, c = 8.7, Z = 1; beta = 90.4° V = 2,204.63 Den(Calc)= 5.68

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): 3.32(1), 2.939(0.55), 3.29(0.55),

Physical Properties of Fizelyite

Cleavage:

{010} Good

Color:

Lead gray, Dark gray, Steel gray.

Density:

5.56

Diaphaneity:

Opaque

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Habit:

Striated - Parallel lines on crystal surface or cleavage face.

Hardness:

2 - Gypsum

Luster:

Metallic

Streak:

dark gray

Optical Properties of Fizelyite

Optical Data:

NCalc= 1.39 - from Gladstone-Dale relationship (KC = 0.0681) where Ncalc=Dcalc*KC+1
NCalc= 1.38 - from Gladstone-Dale relationship (KC = 0.0681) where Ncalc=Dmeas*KC+1

RL Anisotrophism:

Shown, but without distinct color effects.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Fizelyite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	41.60	48.30
420 nm	40.60	47.40
440 nm	39.60	46.50
460 nm	39.30	46.10
480 nm	39.00	45.80
500 nm	38.80	45.60
520 nm	38.40	45.20
540 nm	38.00	44.90
560 nm	37.80	44.50
580 nm	37.40	43.80
600 nm	36.90	43.20
620 nm	36.30	42.40
640 nm	35.60	41.40
660 nm	34.80	40.30
680 nm	34.00	39.00
700 nm	33.00	37.80

**Calculated Relative Intensity Colors of Fizelyite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	250%
R₁
R₂

Calculated Properties of Fizelyite

Electron Density:

Bulk Density (Electron Density)=4.86 gm/cc
note: Specific Gravity of Fizelyite =5.68 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_Fizelyite= 828.02 barns/electron
U=PE_Fizelyite x rElectron Density=4,021.60 barns/cc.

Radioactivity:

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

Fizelyite Classification

Dana Class:

03.04.15.08 (03)Sulfides - Sulfosalts

(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.04.15)Lillianite Group (Orthorhombic, AmBnS6 where A=Pb, Ag, Mn and B=Sb, Bi)

03.04.15.01 Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m

03.04.15.02 Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m

03.04.15.03 Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m

03.04.15.04 Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m

03.04.15.05 Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m

03.04.15.06 Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m

03.04.15.07 Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m

03.04.15.08 Fizelyite Pb14Ag5Sb21S48(?) P 2₁/n 2/m

Strunz Class:

02.JB.40a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.J - Sulfosalts of PbS Archetype

02.JB -Galena derivatives, with Pb

02.JB.40a Fizelyite Pb14Ag5Sb21S48(?) P 2₁/n 2/m

02.JB.40a Andorite PbAgSb3S6 Pmma 2/m 2/m 2/m

02.JB.40a Bursaite? Pb5Bi4S11 Bbmm 2/m 2/m 2/m

02.JB.40a Gustavite PbAgBi3S6(?) Bbmm 2/m 2/m 2/m

02.JB.40a Lillianite Pb3Bi2S6 Bbmm 2/m 2/m 2/m

02.JB.40a Roshchinite Ag19Pb10Sb51S96orPb(Ag,Cu)2(Sb,As)5S10 Pmna 2/m 2/m 2/m

02.JB.40a Uchucchacuaite AgPb3MnSb5S12 P mmm 2/m 2/m 2/m

02.JB.40a Ramdohrite Ag3Pb6Sb11S24 P 2/n 2/m

02.JB.40a Xilingolite Pb3Bi2S6 C 2/m 2/m

02.JB.40a Treasurite Ag7Pb6Bi15S32 B2/m 2/m

02.JB.40a Vikingite Ag5Pb8Bi13S30 C 2/m 2/m

Other Fizelyite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

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

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Fizelyite

Pb14Ag5Sb21S48 (?)
Dana No: 03.04.15.08 Strunz No: 02.JB.40a
Locality:

Notes: