Hydrocerussite Mineral Data

Hydrocerussite Mineral Data +

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General Hydrocerussite Information

Chemical Formula:

Pb3(CO3)2(OH)2

Composition:

Molecular Weight = 775.63 gm

Hydrogen 0.26 % H 2.32 % H₂O

Lead 80.14 % Pb 86.33 % PbO

Carbon 3.10 % C 11.35 % CO₂

Oxygen 16.50 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb₃(CO₃)₂(OH)₂

Environment:

Secondary mineral usually developed on native lead.

IMA Status:

Valid Species (Pre-IMA) 1877

Locality:

Lanbanshyttan, Vermland, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named for its composition.

Synonym:

ICSD 30357

PDF 13-131

Hydrocerussite Image

Images:

Click Here for Larger Hydrocerussite Image

Hydrocerussite Cerussite

Comments: Platy crystals of milky white hydrocerussite covering cerussite.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: 6 x 5 cm.
© Fabre Minerals

Hydrocerussite Crystallography

Axial Ratios:

a:c = 1:4.53053

Cell Dimensions:

a = 5.24, c = 23.74, Z = 3; V = 564.51 Den(Calc)= 6.84

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 3₁m

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

By Intensity(I/I_o): 2.623(1), 3.29(0.9), 3.61(0.9),

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Forms: [ 1 1 2] [ 1 1 4] [ 0 0 1]

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Physical Properties of Hydrocerussite

Cleavage:

[0001] Perfect

Color:

Colorless, Gray, White.

Density:

6.8

Diaphaniety:

Transparent to Translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Platy - Sheet forms (e.g. micas).

Hardness:

3.5 - Copper Penny

Luster:

Adamantine

Streak:

white

Optical Properties of Hydrocerussite

Gladstone-Dale:

CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1484,KPDmeas= 0.1493,KC= 0.1467

Optical Data:

Uniaxial (-), e=1.94, w=2.09, bire=0.1500.

Calculated Properties of Hydrocerussite

Electron Density:

r_electron=5.71 gm/cc
note: r_{Hydrocerussite}=6.84 gm/cc.

Fermion Index

Fermion Index = 0.17753
Boson Index = 0.82247

Photoelectric:

PE_{Hydrocerussite}=1,472.61 barns/electron
U=PE_{Hydrocerussite} x r_electron=8,415.16 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hydrocerussite is Not Radioactive

Hydrocerussite Classification

Dana Class:

16a.2.2.1 (16a)Carbonates - Hydroxyl or Halogen

(16a.2)where (A B)3 (XO3)2 Zq

(16a.2.2)Dana Group

16a.2.2.1 Hydrocerussite Pb3(CO3)2(OH)2 P 3₁m 3m

Strunz Class:

V/C.08-10 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 Hydrocerussite Information

References:

NAME( Ford32) PHYS. PROP.(Dana8) OPTIC PROP.(Ford32)

See Also:

Links to other databases for Hydrocerussite :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 - Crocoite.com Mineral Locations 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 - WWW-MINCRYST

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

Hydrocerussite

Pb3(CO3)2(OH)2
Dana No: 16a.2.2.1 Strunz No: V/C.08-10
Locality:

Notes: