Chalcostibite Mineral Data +

John Betts Fine Minerals

General Chalcostibite Information
Chemical Formula:	CuSbS2
Composition:	Molecular Weight = 249.43 gm
	Copper    25.48 %  Cu
	Antimony  48.81 %  Sb
	Sulfur    25.71 %  S
	______
	100.00 %
Empirical Formula:	CuSbS2
Environment:	Associated with other sulfosalts and sulfides in hydrothermal veins.
IMA Status:	Valid Species (Pre-IMA) 1847
Locality:	Wolfsberg, in the Hartz Mountains. Link to MinDat.org Location Data.
Name Origin:	From the Greek chalkos - "copper" and stibi - "antimony."
Synonym:	ICSD 85133
	PDF 44-1417
	Wolfsbergite
Chalcostibite Image
Images:	Chalcostibite Comments: Partial crystal of chalcostibite. The crystal is partially altered to blue azurite and green malachite. Location: Gar El Anz, Morocco. Scale: 3 x 1.8 cm. © John Veevaert
Images:	Chalcostibite Comments: Dark gray crystals of chalcostibite on white quartz matrix. Location: Boldut mine, Cavnic Maramures, Rumania. Scale: 7 x 7 x 3.5 cm. © Fabre Minerals
Chalcostibite Crystallography
Axial Ratios:	a:b:c =0.4149:1:0.2618
Cell Dimensions:	a = 6.0211, b = 14.509, c = 3.7992, Z = 4; V = 331.90 Den(Calc)= 4.99
Crystal System:	Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnam
X Ray Diffraction:	By Intensity(I/Io): 3.14(1), 3(0.9), 1.762(0.5),
Forms: Mouse Dbl Clk - Start-Stop Rotation RMB - Cycle Display Modes Drag1 - Manipulate Crystal Drag2 - Resize Keyboard S - Stereo I - Indicies <space> - Start-Stop Rotation F - Fit to Screen M - Menu Help on Above	Forms: [ 1 3 0] [ 0 1 0] [ 1 2 0] [ 1 1 0] [ 0 1 1] Warning: this large pop-up is very compute intensive and may not work well with some computers.
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	Kyono A , Kimata M , American Mineralogist , 90 (2005) p.162-165, Crystal structures of chalcostibite (CuSbS2) and emplectite (CuBiS2): Structural, relationship of stereochemical activity between chalcostibite and emplectite View Additional jPOWD Structure files for Chalcostibite [1] [2]
Physical Properties of Chalcostibite
Cleavage:	[001] Good
Color:	Lead gray, Blue gray, Dark gray.
Density:	4.75 - 5, Average = 4.87
Diaphaniety:	Opaque
Fracture:	Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:	Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Habit:	Massive - Granular - Common texture observed in granite and other igneous rock.
Hardness:	3.5 - Copper Penny
Luminescence:	Non-fluorescent.
Luster:	Metallic
Streak:	black
Optical Properties of Chalcostibite
RL Anisotrophism:	Observed.
RL Pleochroism:	Feeble in air, somewhat stronger in oil.
Reflectivity	Standardized Intensity (100%) Reflection Spectra of Chalcostibite in Air λ R1 R2  ∑ R1(λ)   ∑ R2(λ)   400 nm   37.40   41.80       420 nm   38.20   43.80   440 nm   39.00   45.80   460 nm   39.40   47.00   480 nm   39.40   47.20   500 nm   39.00   46.70   520 nm   38.40   45.20   540 nm   37.50   43.70   560 nm   36.50   42.30   580 nm   35.50   41.00   600 nm   34.80   39.80   620 nm   34.50   39.00   640 nm   34.30   38.40   660 nm   34.10   38.30   680 nm   33.80   38.20   700 nm   33.50   38.20  Calculated Relative Intensity Colors of Chalcostibite in Air Relative Intensity    0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 250% R1                       R2
Calculated Properties of Chalcostibite
Electron Density:	relectron=4.48 gm/cc note: rChalcostibite =4.99 gm/cc.
Fermion Index	Fermion Index = 0.00192 Boson Index = 0.99808
Photoelectric:	PEChalcostibite = 173.24 barns/electron U=PEChalcostibite x relectron= 776.33 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Chalcostibite is Not Radioactive
Chalcostibite Classification
Dana Class:	3.7.5.1 (3)Sulfides - Sulfosalts
	(3.7)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
	(3.7.5)Dana Group
	3.7.5.1 Chalcostibite CuSbS2 Pnam 2/m 2/m 2/m
	3.7.5.2 Emplectite CuBiS2 Pnam 2/m 2/m 2/m
Strunz Class:	II/E.04-10 II - Sulfides and sulphosalts
	II/E - Sulfosalts (S : As,Sb,Bi = x), Sulfosalts with predominant Iron and Copper x = 2.0
	II/E.04 - Chalcostibite - Hodrushite series
	II/E.04-10 Chalcostibite CuSbS2 Pnam 2/m 2/m 2/m
	II/E.04-20 Emplectite CuBiS2 Pnam 2/m 2/m 2/m
	II/E.04-25 Kupcikite! Cu3.4Fe0.6Bi5S10 C 2/m 2/m
	II/E.04-30 Cuprobismutite Cu10Bi12S23 C 2/m 2/m
	II/E.04-40 Hodrushite Cu8Bi12S22 A2/m 2/m
Other Chalcostibite Information
References:	NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
See Also:	Links to other databases for Chalcostibite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 - HyperPhysics 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 - WWW-MINCRYST 15 -École des Mines de Paris Search for Chalcostibite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Chalcostibite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Chalcostibite Mineral Data : Ask about Chalcostibite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español Print or Cut-and-Paste your Chalcostibite Specimen Label here : Chalcostibite CuSbS2 Dana No: 3.7.5.1 Strunz No: II/E.04-10 Locality:   Notes: