Makovickyite Mineral Data

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General Makovickyite Information

Chemical Formula:

Ag1.5Bi5.5S9

Composition:

Molecular Weight = 1,599.79 gm

Silver 10.11 % Ag

Bismuth 71.85 % Bi

Sulfur 18.04 % S

______

100.00 %

Empirical Formula:

Ag_1.5Bi_5.5S₉

Environment:

Found in a dolomite skarn.

IMA Status:

Approved IMA 1994

Locality:

Baita Bihourului (formerly Rezbanya), Romaina and Felbertal, Austria. Link to MinDat.org Location Data.

Name Origin:

For Dr. Emil Makovicky, Slovak and Danish mineralogist, University of Copenhagen.

Name Pronunciation:

Makovickyite + Pronunciation

Synonym:

ICSD 69456

IMA1986-027

PDF 47-1752

Makovickyite Image

Images:

Click Here for Larger Makovickyite Image

Makovickyite Cupromakovickyite

Comments: SEM polished section detail of a grain of cupromakovickyite (dark gray) with locally exsolved lamellae (bright gray) of makovickyite. (CanMin, 46:503).
Location: Baita Bihor, Romania.. Scale: See Image.
© Canadian Mineralogist

Makovickyite Crystallography

Axial Ratios:

a:b:c =3.3012:1:3.632

Cell Dimensions:

a = 13.37, b = 4.05, c = 14.71, Z = 2; beta = 99.5° V = 785.60 Den(Calc)= 6.76

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.85(1), 3.485(0.5), 3.63(0.5),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Topa D , Makovicky E , Balic-Zunic T , The Canadian Mineralogist , 46 (2008) p.515-523, What is the reason for the doubled unit-cell volumes of, copper-lead-rich pavonite homologues? The crystal structures of, cupromakovickyite and makovickyite, Locality: Felbertal, Austria

Physical Properties of Makovickyite

Cleavage:

None

Color:

Gray.

Density:

6.7

Diaphaneity:

Opaque

Habit:

Compact - Occurs as a compact mass.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Streak:

gray

Optical Properties of Makovickyite

RL Anisotrophism:

Pronounced in gray tones.

RL Bireflectance:

Not noticable.

RL Color:

Light gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Makovickyite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	41.85	48.80
420 nm	41.95	48.95
440 nm	42.00	49.10
460 nm	42.07	49.19
470 nm	42.13	49.25
480 nm	42.05	49.07
500 nm	41.76	48.87
520 nm	41.55	48.52
540 nm	41.21	48.33
546 nm	40.91	48.15
560 nm	40.65	47.87
580 nm	40.45	47.60
589 nm	40.35	47.45
600 nm	40.25	47.16
620 nm	40.07	46.95
640 nm	39.92	46.70
650 nm	39.90	46.57
660 nm	39.80	46.30
680 nm	39.66	46.14
700 nm	39.54	45.95

**Calculated Relative Intensity Colors of Makovickyite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	220%
R₁
R₂

Calculated Properties of Makovickyite

Electron Density:

Bulk Density (Electron Density)=5.67 gm/cc
note: Specific Gravity of Makovickyite =6.76 gm/cc.

Fermion Index:

Fermion Index = 0.0013536817
Boson Index = 0.9986463183

Photoelectric:

PE_Makovickyite=1,406.92 barns/electron
U=PE_Makovickyite x rElectron Density=7,978.23 barns/cc.

Radioactivity:

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

Makovickyite Classification

Dana Class:

03.08.10.02 (03)Sulfides - Sulfosalts

(03.08)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(03.08.10)Pavonite Group (Monoclinic: C/2c bismuth sulfosalts)

03.08.10.01 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m

03.08.10.02 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m

03.08.10.03 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m

03.08.10.04 Mummeite Cu0.58Ag3.11Pb1.10Bi6.65S13 C 2/c 2/m

03.08.10.05 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m

03.08.10.06 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m

03.08.10.07 Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m

03.08.10.08 Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m

03.08.10.09 IMA2008-058! Ag5Bi13S22 C 2/m 2/m

03.08.10.10 IMA2005-036! Cu8Pb4Ag3Bi19S38 C 2/m 2/m

Strunz Class:

02.JA.05d 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.J - Sulfosalts of PbS Archetype

02.JA -Galena derivatives with little or no Pb

02.JA.05d Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m

02.JA.05d Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m

Other Makovickyite Information

References:

NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.80,p1329,1995) OPTIC PROP.(CanMin, v46:503)

See Also:

Links to other databases for Makovickyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Makovickyite

Ag1.5Bi5.5S9
Dana No: 03.08.10.02 Strunz No: 02.JA.05d
Locality:

Notes: