Partzite Mineral Data

General Partzite Information

Chemical Formula:

Cu2Sb2(O,OH)7 (?)

Composition:

Molecular Weight = 485.61 gm

Copper 26.17 % Cu 29.47 % Cu₂O

Antimony 50.14 % Sb 60.03 % Sb₂O₃

Hydrogen 0.62 % H 5.56 % H₂O

Oxygen 23.06 % O

______ ______

100.00 % 95.06 % = TOTAL OXIDE

Empirical Formula:

Cu₂Sb₂O₄(OH)₃

Environment:

Weathered zones in deposits containing copper-antimony sulfosalts.

IMA Status:

Valid Species (Pre-IMA) 1867

Locality:

Blind Spring Hill district, 2 miles SE of Benton, Mono Co., California. Link to MinDat.org Location Data.

Name Origin:

Named for A. F. W. Partz, who discovered the mineral.

Name Pronunciation:

Partzite

Partzite Image

Images:

Partzite

Comments: Light to dark green partzite encrustations with sky-blue chrysocolla and limonite gossan matrix.
Location: Comanche mine, Blind Spring Hill, Benton, Mono Co., California, USA. Scale: 5.5 x 3.5 x 4cm.
© Tom Loomis / Dakota Matrix

Partzite Crystallography

Cell Dimensions:

a = 10.25, Z = 8; V = 1,076.89 Den(Calc)= 5.99

Crystal System:

Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

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

By Intensity(I/I_o): 2.95(1), 5.91(0.9), 1.81(0.8),

Physical Properties of Partzite

Cleavage:

None

Color:

Olive green, Black.

Density:

5.95

Diaphaneity:

Translucent

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

3-4 - Calcite-Fluorite

Streak:

yellow green

Optical Properties of Partzite

Gladstone-Dale:

CI meas= 0.427 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.431 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1194,KPDmeas= 0.1202,KC= 0.2097
Ncalc = 2.25 - 2.26

Optical Data:

Isotropic, n=1.61-1.82.

Calculated Properties of Partzite

Electron Density:

Bulk Density (Electron Density)=5.37 gm/cc
note: Specific Gravity of Partzite =5.95 gm/cc.

Fermion Index:

Fermion Index = 0.0001116356
Boson Index = 0.9998883644

Photoelectric:

PE_Partzite= 175.73 barns/electron
U=PE_Partzite x rElectron Density= 943.07 barns/cc.

Radioactivity:

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

Partzite Classification

Dana Class:

44.01.01.07 (44)Antimonates

(44.01)(A)2 (X2 O6) (O,OH,F)

(44.01.01)Stibiconite Group

44.01.01.01 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m

44.01.01.02 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m

44.01.01.03 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m

44.01.01.03a Lewisite? (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m

44.01.01.04 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m

44.01.01.05 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m

44.01.01.06 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m

44.01.01.07 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m

Strunz Class:

04.DH.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DH -With large (ï¿½ medium-sized) cations; sheets of edge-sharing octahedra

04.DH.20 Bismutostibiconite Bi(Sb,Fe)2O7 F d3m 4/m 3 2/m

04.DH.20 Bindheimite Pb2Sb2O6(O,OH) F d3m 4/m 3 2/m

04.DH.20 Monimolite (Pb,Ca)2Sb2O7 F d3m 4/m 3 2/m

04.DH.20 Partzite Cu2Sb2(O,OH)7(?) F d3m 4/m 3 2/m

04.DH.20 Stetefeldtite Ag2Sb2O6(O,OH) F d3m 4/m 3 2/m

04.DH.20 Romeite (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F) F d3m 4/m 3 2/m

04.DH.20 Stibiconite SbSb2O6(OH) F d3m 4/m 3 2/m

Other Partzite Information

References:

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

See Also:

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

Search for Partzite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Partzite :

Ask about Partzite 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 Partzite Specimen Label here :

Partzite

Cu2Sb2(O,OH)7 (?)
Dana No: 44.01.01.07 Strunz No: 04.DH.20
Locality:

Notes:

Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.