Lead Mineral Data (original) (raw)

General Lead Information

Help on Chemical Formula: Chemical Formula:

Pb

Help on Composition: Composition:

Molecular Weight = 207.20 gm

Lead 100.00 % Pb

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Pb

Help on Environment: Environment:

Rare mineral of hydrothermal origin, and found in placers; possibly also formed by authigenic processes and known to replace tree roots.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) Prehistoric

Help on Locality: Locality:

Langban, Sweden. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Anglo-Saxon, lead; Latin plumbum.

Help on Name Pronunciation: Name Pronunciation:

Lead Say LEAD

Help on Synonym: Synonym:

ICSD 64808

PDF 4-686

Plumbum

Lead Image

Click Here for Larger Lead Image in a New Browser Window Images:

Click Here for Larger Lead Image Lead Comments: Native lead sheet partially covering an actinolite schist. Location: Garpenberg Norra, Hedemorra, Sweden.Scale: 7.5 x 4.5 cm. © John Veevaert

Click Here for Larger Lead Image in a New Browser Window Images:

Click Here for Larger Lead Image Lead Comments: Irregular mass of native lead from a lead-zinc-silver ore deposit. Location: Broken Hill, NSW, Australia.Scale: 8 cm across. © Dave Barthelmy

Lead Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 4.9505, Z = 4; V = 121.32 Den(Calc)= 11.34

Help on Crystal System: Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.855(1), 2.475(0.5), 1.493(0.32),

Click Here for Large Lead Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

| | Wyckoff R W G , Crystal Structures , 1 (1963) p.7-83, Second edition. Interscience Publishers, New York, New York, Cubic closest packed, ccp, structure | | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Lead

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Lead gray, Gray white.

Help on Density: Density:

11.37

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

Malleable - Deforms rather than breaking apart with a hammer.

Help on Habit: Habit:

Blocky - Crystal shape tends to be equant (e.g. feldspars).

Help on Hardness: Hardness:

2-2.5 - Gypsum-Finger Nail

Help on Luminescence: Luminescence:

Non-fluorescent.

Help on Luster: Luster:

Metallic

Help on Magnetism: Magnetism:

Nonmagnetic

Help on Streak: Streak:

lead gray

Optical Properties of Lead

Help on RL Color: RL Color:

Gray-white with a brownish tint and brownish red internal reflections.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Lead in Air

λ R ∑ R(λ)
400 nm 45.60
420 nm 45.90
440 nm 46.20
460 nm 46.50
480 nm 46.90
500 nm 47.40
520 nm 48.10
540 nm 48.90
560 nm 49.70
580 nm 50.40
600 nm 51.00
620 nm 51.70
640 nm 52.50
660 nm 53.60
680 nm 55.20
700 nm 57.90

Calculated Relative Intensity Colors of Lead in Air

RelativeIntensity 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 190%
R

Calculated Properties of Lead

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=8.98 gm/cc
note: Specific Gravity of Lead =11.3 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.22
Boson Index = 0.78

Help on Photoelectric: Photoelectric:

PELead =1,939.41 barns/electron
U=PELead x rElectron Density=17407.53 barns/cc.

Help on Radioactivity: Radioactivity:

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

Lead Classification

Help on Dana Class: Dana Class:

01.01.01.04 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.01)Gold group

01.01.01.01 Gold Au F m3m 4/m 3 2/m

01.01.01.02 Silver Ag F m3m 4/m 3 2/m

01.01.01.03 Copper Cu F m3m 4/m 3 2/m

01.01.01.04 Lead Pb F m3m 4/m 3 2/m

01.01.01.05 Aluminum Al F m3m,P m3m 4/m 3 2/m

Help on Strunz Class: Strunz Class:

01.AA.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AA -Copper-cupalite family

01.AA.05 Aluminum Al F m3m,P m3m 4/m 3 2/m

01.AA.05 Copper Cu F m3m 4/m 3 2/m

01.AA.05 Lead Pb F m3m 4/m 3 2/m

01.AA.05 Gold Au F m3m 4/m 3 2/m

01.AA.05 Nickel Ni F m3m 4/m 3 2/m

01.AA.05 Silver Ag F m3m 4/m 3 2/m

Other Lead Information

Help on References: References:

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

Help on See Also: See Also:

Links to other databases for Lead :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - Franklin Minerals(Dunn)
7 - Franklin Minerals(Palache)
8 - GeoScienceWorld
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineral and Gemstone Kingdom
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - Scandinavian mineral gallery
20 - WWW-MINCRYST
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

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Ask about Lead 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 Espa�ol

Print or Cut-and-Paste your Lead Specimen Label here :

Lead

Pb
Dana No: 01.01.01.04 Strunz No: 01.AA.05
Locality:

Notes: