Plumosite Mineral Data

General Plumosite Information

Chemical Formula:

Pb2Sb2S5

Composition:

Molecular Weight = 818.23 gm

Antimony 29.76 % Sb

Lead 50.65 % Pb

Sulfur 19.59 % S

______

100.00 %

Empirical Formula:

Pb₂Sb₂S₅

Environment:

The mineral name is considered to be generic for feathery lead sulphosalts (eg. boulangerite).

IMA Status:

Not Approved IMA

Locality:

Link to MinDat.org Location Data.

Name Origin:

Named for the feathery habit (plumose).

Plumosite Image

Images:

Plumosite

Comments: Gray metallic needles of plumosite in brown siderite matrix.
Location: Pribram, Bohemia, Czech Republic. Scale: Not Given.
© Diederik Visser

Plumosite Crystallography

Crystal System:

Monoclinic

Physical Properties of Plumosite

Cleavage:

{???} Good

Color:

Lead gray.

Diaphaneity:

Opaque

Hardness:

2-3 - Gypsum-Calcite

Luster:

Metallic

Streak:

dark gray

Optical Properties of Plumosite

Optical Data:

Calculated Properties of Plumosite

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Plumosite=1,023.95 barns/electron
U=PE_Plumosite x rElectron Density= . barns/cc.

Radioactivity:

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

Plumosite Classification

Dana Class:

02.00.00.00 (02)Sulfide Minerals

(02.00)Without Dana Classification Numbers

(02.00.00)Sulfosalt - Sb

02.00.00.00 Argentite* Ag2S I m3m 4/m 3 2/m

02.00.00.00 Bayankhanite? Cu6HgS4 Unk Hex

02.00.00.00 Bismutoplagionite* 5PbS.4Bi2S3 Unk Ortho

02.00.00.00 Bravoite? (Fe,Ni,Co)S2 P a3 2/m 3

02.00.00.00 Colimaite K3VS4 P nma 2/m 2/m 2/m

02.00.00.00 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m

02.00.00.00 Dilithium* Li2Te P 222 2 2 2

02.00.00.00 Dzhezkazganite* (Pb,Cu,Rh)S2(?) P a3? 2/m 3

02.00.00.00 Ferdisilicite* FeSi2 P 4/mmm 4/m 2/m 2/m

02.00.00.00 Fersilicite* FeSi P 2₁3 2 3

02.00.00.00 Horobetsuite* (Bi,Sb)2S3 Pbnm 2/m 2/m 2/m

02.00.00.00 Horomanite Fe6Ni3S8 P 4/mmm 4mm

02.00.00.00 Imgreite? NiTe P 6₃/mmc 6/m 2/m 2/m

02.00.00.00 Iridisite* (Ir,Cu,Rh,Ni,Pt)S2 Unk Cubic

02.00.00.00 Isochalcopyrite? Cu8Fe9S16 Unk Cubic

02.00.00.00 Jaipurite* CoS P 6₃/mmc 6/m 2/m 2/m

02.00.00.00 Kitaibelite? Ag10PbBi30S51 Mono ? Mono

02.00.00.00 Kurilite? (Ag,Au)2(Te,Se,S) P m3n,P 4₃n Cubic

02.00.00.00 Plumosite* Pb2Sb2S5 Mono

02.00.00.00 Protojoseite* Bi4TeS2(?) R 3m 3 2/m

02.00.00.00 Samaniite Cu2Fe5Ni2S8 P 4₁/mmm 4mm

02.00.00.00 Stibioenargite* Cu3(Sb,As)S4 Unk Ortho

02.00.00.00 Sztrokayite* Bi3TeS2 Trig ? Trig

02.00.00.00 Volfsonite* Cu10CuFeFe2Sn3S16 P 4₂m-,P 42₁2 Tetra

Strunz Class:

02.HC.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.H - Sulfosalts of SnS Archetype

02.HC -With only Pb

02.HC.15 Boulangerite Pb5Sb4S11 Unk Ortho

02.HC.15 Falkmanite Pb5Sb4S11 Mono

02.HC.15 Plumosite* Pb2Sb2S5 Mono

Other Plumosite Information

See Also:

Links to other databases for Plumosite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Plumosite using:

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

Visit our Advertisers for Plumosite :

A Bijoux Google Search for Plumosite
Adam's Minerals Google Search for Plumosite
Cape Minerals Google Search for Plumosite
Dakota Matrix Minerals Google Search for Plumosite
Excalibur Mineral Corp. Google Search for Plumosite
Exceptional Minerals Google Search for Plumosite
John Betts Fine Minerals Search for Plumosite
McDougall Minerals Google Search for Plumosite
Mineral News Website Link
Rock and Mineral Shows Google Search for Plumosite
Weinrich Minerals, Inc. Google Search for Plumosite

Ask about Plumosite 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 Plumosite Specimen Label here :

Plumosite

Pb2Sb2S5
Dana No: 02.00.00.00 Strunz No: 02.HC.15
Locality:

Notes: