IMA2007-047 Mineral Data

General IMA2007-047 Information

Chemical Formula:

Pb2[B5O9]Cl•0.5H2O

Composition:

Molecular Weight = 656.90 gm

Boron 8.23 % B 26.49 % B₂O₃

Hydrogen 0.15 % H 1.37 % H₂O

Lead 63.08 % Pb 65.52 % Pb₂O

Chlorine 5.40 % Cl 5.40 % Cl

- % Cl -1.22 % -O=Cl₂

Oxygen 23.14 % O

______ ______

100.00 % 97.56 % = TOTAL OXIDE

Empirical Formula:

Pb₂B₅O₉Cl•0.5(H₂O)

Environment:

Hilgardite group

IMA Status:

Proposed IMA 2007 (Dana # Added)

Locality:

Mina Asuncion, Sierra Gorda, Caracoles District, Antofagasta Province, Chile Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2007-047 Crystallography

Axial Ratios:

a:b:c =0.9887:1:0.5699

Cell Dimensions:

a = 11.3757, b = 11.5051, c = 6.5568, Z = 2; V = 858.14 Den(Calc)= 2.54

Crystal System:

Orthorhombic - Pyramidal H-M Symbol (mm2) Space Group: Pnn2

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

By Intensity(I/I_o): 2.84(1), 4.04(1), 5.71(0.8),2.019(0.7), 1.877(0.4), 2.55(0.4), 3.29(0.4), 3.16(0.3),

Optical Properties of IMA2007-047

Optical Data:

NCalc= 1.2 - from Gladstone-Dale relationship (KC = 0.0787) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2007-047

Electron Density:

Bulk Density (Electron Density)=2.19 gm/cc
note: Specific Gravity of IMA2007-047 =2.54 gm/cc.

Fermion Index:

Fermion Index = 0.15
Boson Index = 0.85

Photoelectric:

PE_IMA2007-047=1,124.43 barns/electron
U=PE_IMA2007-047 x rElectron Density=2,460.82 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2007-047 is Not Radioactive

IMA2007-047 Classification

Dana Class:

26.05.14.03 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.05)Dana Type

(26.05.14)Hilgardite

26.05.14.01 Hilgardite Ca2B5O9Cl•(H2O) P1 1

26.05.14.02 Kurgantaite! CaSr[B5O9]Cl•(H2O) P1 1

26.05.14.03 IMA2007-047! Pb2[B5O9]Cl•0.5H2O Pnn2 mm2

Strunz Class:

06.ED.05 06 - BORATES

06.E - Pentaborates

06.ED -Tecto-pentaborates

06.ED.05 Hilgardite Ca2B5O9Cl•(H2O) P1 1

06.ED.05 Tyretskite Ca2B5O9(OH)•(H2O) P1 1

06.ED.05 Kurgantaite! CaSr[B5O9]Cl•(H2O) P1 1

06.ED.05 IMA2007-047! Pb2[B5O9]Cl•0.5H2O Pnn2 mm2

Other IMA2007-047 Information

See Also:

Links to other databases for IMA2007-047 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

Search for IMA2007-047 using:

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

Visit our Advertisers for IMA2007-047 :

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

Ask about IMA2007-047 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 IMA2007-047 Specimen Label here :

IMA2007-047

Pb2[B5O9]Cl•0.5H2O
Dana No: 26.05.14.03 Strunz No: 06.ED.05
Locality:

Notes: