Hakite Mineral Data

Hakite Mineral Data +

General Hakite Information

Chemical Formula:

(Cu,Hg)3(Sb,As)(Se,S)3

Composition:

Molecular Weight = 606.78 gm

Copper 26.18 % Cu

Mercury 16.53 % Hg

Antimony 16.05 % Sb

Arsenic 3.70 % As

Selenium 33.83 % Se

Sulfur 3.70 % S

______

100.00 %

Empirical Formula:

Cu_2.5Hg_0.5Sb_0.8As_0.3Se_2.6S_0.7

Environment:

Epithermal calcite veins.

IMA Status:

Approved IMA 1971

Locality:

At Bukov and Predborice, Czechoslovakia. Link to MinDat.org Location Data.

Name Origin:

Named for Jaroslav Hak, mineralogist, Institute of Ore Research, Kutna Hora, Czechoslovakia.

Synonym:

ICSD 400652

PDF 25-297

Search for Hakite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Hakite Crystallography

Cell Dimensions:

a = 10.88, Z = 8; V = 1,287.91 Den(Calc)= 6.26

Crystal System:

Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43m

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

By Intensity(I/I_o): 3.14(1), 1.925(0.9), 1.639(0.8),

Physical Properties of Hakite

Cleavage:

None

Color:

Gray brown.

Density:

6.3

Diaphaniety:

Opaque

Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Hardness:

5 - Apatite

Luster:

Metallic

Streak:

white

Optical Properties of Hakite

RL Color:

Creamy white to clear brown.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Hakite in Air**
λ	R	∑ R(λ)
400 nm	31.80
420 nm	32.50
440 nm	33.20
460 nm	33.60
480 nm	33.70
500 nm	33.70
520 nm	33.50
540 nm	33.40
560 nm	33.40
580 nm	33.50
600 nm	33.60
620 nm	33.60
640 nm	33.60
660 nm	33.50
680 nm	33.50
700 nm	33.40

**Calculated Relative Intensity Colors of Hakite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	270%
R

Calculated Properties of Hakite

Electron Density:

r_electron=5.42 gm/cc
note: r_Hakite=6.26 gm/cc.

Fermion Index

Fermion Index = 0.0759
Boson Index = 0.9241

Photoelectric:

PE_Hakite= 367.66 barns/electron
U=PE_Hakite x r_electron=1,993.62 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hakite is Not Radioactive

Hakite Classification

Dana Class:

3.3.6.4 (3)Sulfides - Sulfosalts

(3.3)where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals

(3.3.6)Tetrahedrite Group (Isometric: I4¯3m)

3.3.6.1 Tetrahedrite (Cu,Fe)12Sb4S13 I 43m 4 3m

3.3.6.2 Tennantite (Cu,Fe)12As4S13 I 43m 4 3m

3.3.6.3 Freibergite (Ag,Cu,Fe)12(Sb,As)4S13 I 43m 4 3m

3.3.6.4 Hakite (Cu,Hg)3(Sb,As)(Se,S)3 I 43m 4 3m

3.3.6.5 Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13 I 43m 4 3m

3.3.6.6 Goldfieldite Cu12(Te,Sb,As)4S13 I 43m 4 3m

3.3.6.7 Argentotennantite (Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 I 43m 4 3m

Strunz Class:

II/C.11-70 II - Sulfides and sulphosalts

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

II/C.11 - Tetrahedrite group

II/C.11-10 Tennantite (Cu,Fe)12As4S13 I 43m 4 3m

II/C.11-20 Argentotennantite (Ag,Cu)10(Zn,Fe)2(As,Sb)4S13 I 43m 4 3m

II/C.11-30 Giraudite (Cu,Zn,Ag)12(As,Sb)4(Se,S)13 I 43m 4 3m

II/C.11-40 Tetrahedrite (Cu,Fe)12Sb4S13 I 43m 4 3m

II/C.11-50 Freibergite (Ag,Cu,Fe)12(Sb,As)4S13 I 43m 4 3m

II/C.11-60 Goldfieldite Cu12(Te,Sb,As)4S13 I 43m 4 3m

II/C.11-70 Hakite (Cu,Hg)3(Sb,As)(Se,S)3 I 43m 4 3m

II/C.11-75 Mgriite Cu3AsSe3 F d3m 4/m 3 2/m

II/C.11-80 Chameanite (Cu,Fe)4As(Se,S)4 I 43m 4 3m

Other Hakite Information

References:

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

See Also:

Links to other databases for Hakite :
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 -École des Mines de Paris

Search for Hakite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Hakite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Hakite Mineral Data :

Ask about Hakite 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 Hakite Specimen Label here :

Hakite

(Cu,Hg)3(Sb,As)(Se,S)3
Dana No: 3.3.6.4 Strunz No: II/C.11-70
Locality:

Notes: