Renierite Mineral Data

Renierite Mineral Data +

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General Renierite Information

Chemical Formula:

(Cu,Zn)11(Ge,As)2Fe4S16

Composition:

Molecular Weight = 1,655.51 gm

Zinc 21.72 % Zn

Iron 13.49 % Fe

Copper 24.95 % Cu

Germanium 6.58 % Ge

Arsenic 2.26 % As

Sulfur 30.99 % S

______

100.00 %

Empirical Formula:

Cu_6.5Zn_5.5Ge_1.5As_0.5Fe²⁺₄S₁₆

Environment:

In a few dolomite-hosted Cu-Pb-Zn deposits and in hydrothermal polymetallic deposits.

IMA Status:

Valid Species (Pre-IMA) 1948

Locality:

Prince Léopold mine, Kipushi, Katanga (Shaba), Congo (Zaire). Link to MinDat.org Location Data.

Name Origin:

Named after Armand Renier, Belgian geologist adn Director of the Belgian Geological Survey.

Synonym:

ICSD 203093

Orange bornite

PDF 41-591

Renierite Image

Images:

Renierite

Comments: Dull dark orange tarnished renierite with brassy chalcopyrite.
Location: Prince Leopold Mine, Kipushi, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Renierite Crystallography

Axial Ratios:

a:c = 1:0.99322

Cell Dimensions:

a = 10.6226, c = 10.5506, Z = 2; V = 1,190.53 Den(Calc)= 4.62

Crystal System:

Tetragonal - ScalenohedralH-M Symbol (4 2m) Space Group: P 4₂c-

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

By Intensity(I/I_o): 3.06(1), 1.87(0.8), 1.595(0.6),

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

Bernstein L R , Reichel D G , Merlino S , American Mineralogist , 74 (1989) p.1177-1181, Renierite crystal structure refined from Rietveld analysis of powder, neutron-diffrection data

Physical Properties of Renierite

Cleavage:

None

Color:

Bronze yellow, Pinkish brown.

Density:

4.38

Diaphaniety:

Opaque

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Disseminated - Occurs in small, distinct particles dispersed in matrix.

Habit:

Massive - Granular - Common texture observed in granite and other igneous rock.

Habit:

Twinning Common - Crystals are usually twinned.

Hardness:

4-5 - Fluorite-Apatite

Luster:

Metallic

Magnetism:

Magnetic

Streak:

blackish gray

Optical Properties of Renierite

RL Anisotrophism:

Strong, yellow to reddish orange.

RL Color:

Orange brown.

RL Pleochroism:

Orange to brown or bronze with a violet tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Renierite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	19.30	20.20
420 nm	18.80	19.50
440 nm	18.30	18.80
460 nm	18.30	18.30
480 nm	18.90	19.50
500 nm	20.20	21.40
520 nm	22.20	23.50
540 nm	24.30	25.70
560 nm	26.20	27.80
580 nm	28.00	29.60
600 nm	29.50	31.20
620 nm	30.80	32.50
640 nm	31.80	33.60
660 nm	32.80	34.50
680 nm	33.70	35.20
700 nm	34.40	36.00

**Calculated Relative Intensity Colors of Renierite in Air**
Relative Intensity	0%	50%	100%	150%	200%	250%	300%	350%	400%	450%	470%
R₁
R₂

Calculated Properties of Renierite

Electron Density:

r_electron=4.34 gm/cc
note: r_Renierite=4.62 gm/cc.

Fermion Index

Fermion Index = 0.01922
Boson Index = 0.98078

Photoelectric:

PE_Renierite= 33.68 barns/electron
U=PE_Renierite x r_electron= 146.25 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Renierite is Not Radioactive

Renierite Classification

Dana Class:

2.9.4.1 (2)Sulfides - Including Selenides and Tellurides

(2.9)where Am Bn Xp, with (m+n):p=1:1

(2.9.4)Germanite Group

2.9.4.1 Renierite (Cu,Zn)11(Ge,As)2Fe4S16 P 4₂c- 4 2m

2.9.4.2 Germanite Cu26Fe4Ge4S32 P 43n 4 3m

2.9.4.3 Maikainite! Cu20(Fe,Cu)6Mo2Ge6S32 P 43n 4 3m

2.9.4.4 Ovamboite! Cu20(Fe,Cu,Zn)6W2Ge6S32 P 43n 4 3m

Strunz Class:

II/C.10-10 II - Sulfides and sulphosalts

II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1

II/C.10 - Stannite group, Germanite series

II/C.10-10 Renierite (Cu,Zn)11(Ge,As)2Fe4S16 P 4₂c- 4 2m

II/C.10-15 Vinciennite Cu10Fe4Sn(As,Sb)S16 P 4₁22 4 2 2

II/C.10-20 Germanite Cu26Fe4Ge4S32 P 43n 4 3m

II/C.10-30 Nekrasovite Cu26V2(Sn,As,Sb)6S32 P 43n 4 3m

II/C.10-40 Colusite Cu12-13V(As,Sb,Sn,Ge)3S16 P 43n 4 3m

II/C.10-45 Stibiocolusite Cu13V(Sb,As,Sn)3S16 P 43n 4 3m

II/C.10-47 Germanocolusite Cu13V(Ge,As)3S16 P 43n 4 3m

II/C.10-50 Arsenosulvanite Cu3(As,V)S4 P 43m 4 3m

II/C.10-50* Maikainite! Cu20(Fe,Cu)6Mo2Ge6S32 P 43n 4 3m

II/C.10-55 Ovamboite! Cu20(Fe,Cu,Zn)6W2Ge6S32 P 43n 4 3m

II/C.10-60 Sulvanite Cu3VS4 P 43m 4 3m

II/C.10-70 Polkovicite (Fe,Pb)3(Ge,Fe)1-xS4 F d3m 4/m 3 2/m

II/C.10-80 Morozeviczite (Pb,Fe)3Ge1-xS4 F d3m 4/m 3 2/m

Other Renierite Information

References:

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

See Also:

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

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Renierite

(Cu,Zn)11(Ge,As)2Fe4S16
Dana No: 2.9.4.1 Strunz No: II/C.10-10
Locality:

Notes: