Plumbonacrite Mineral Data

Plumbonacrite Mineral Data +

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General Plumbonacrite Information

Chemical Formula:

Pb10(CO3)6O(OH)6

Composition:

Molecular Weight = 2,550.10 gm

Hydrogen 0.24 % H 2.12 % H₂O

Lead 81.25 % Pb 87.53 % PbO

Carbon 2.83 % C 10.35 % CO₂

Oxygen 15.69 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb₁₀(CO₃)₆O(OH)₆

Environment:

Incompletely characterized mineral.

IMA Status:

Valid Species (Pre-IMA) 1889

Locality:

Wanlockhead, Scotland. Link to MinDat.org Location Data.

Name Origin:

Named in for its composition and luster.

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Plumbonacrite Crystallography

Axial Ratios:

a:c = 1:2.7501

Cell Dimensions:

a = 9.076, c = 24.96, Z = 3; V = 1,780.59 Den(Calc)= 7.13

Crystal System:

HexagonalSpace Group: Unk

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

By Intensity(I/I_o): 2.619(1), 4.26(0.8), 3.36(0.7),

Crystal Structure:

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Krivovichev S V , Burns P C , Mineralogical Magazine , 64 (2000) p.1069-1075, Crystal chemistry of basic lead carbonates, II. Crystal structure of synthetic `plumbonacrite , Locality: synthetic

Physical Properties of Plumbonacrite

Color:

Colorless, White, Gray.

Density:

7.07

Diaphaniety:

Transparent to Translucent

Hardness:

3.5 - Copper Penny

Luster:

Adamantine - Pearly

Optical Properties of Plumbonacrite

Optical Data:

NCalc= 2.04 - from Gladstone-Dale relationship (KC = 0.1455) where Ncalc=Dcalc*KC+1
NCalc= 2.03 - from Gladstone-Dale relationship (KC = 0.1455) where Ncalc=Dmeas*KC+1

Calculated Properties of Plumbonacrite

Electron Density:

r_electron=5.94 gm/cc
note: r_{Plumbonacrite}=7.13 gm/cc.

Fermion Index

Fermion Index = 0.17995
Boson Index = 0.82005

Photoelectric:

PE_{Plumbonacrite}=1,497.56 barns/electron
U=PE_{Plumbonacrite} x r_electron=8,893.49 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Plumbonacrite is Not Radioactive

Plumbonacrite Classification

Dana Class:

16a.5.1.1 (16a)Carbonates - Hydroxyl or Halogen

(16a.5)with miscellaneous formulae

(16a.5.1)Dana Group

16a.5.1.1 Plumbonacrite Pb10(CO3)6O(OH)6 Unk Hex

Strunz Class:

V/C.08-20 V - Nitrates, Carbonates and Borates

V/C - Waterfree carbonates with unfamiliar anions

V/C.08 - Hydrocerussite - Barstowite series

V/C.08-05 Shannonite! Pb2OCO3 2 2 2

V/C.08-10 Hydrocerussite Pb3(CO3)2(OH)2 P 3₁m 3m

V/C.08-20 Plumbonacrite Pb10(CO3)6O(OH)6 Unk Hex

Other Plumbonacrite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Plumbonacrite :
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

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

Plumbonacrite

Pb10(CO3)6O(OH)6
Dana No: 16a.5.1.1 Strunz No: V/C.08-20
Locality:

Notes: