Chloroxiphite Mineral Data (original) (raw)

General Chloroxiphite Information

Help on Chemical Formula: Chemical Formula:

Pb3CuCl2(OH)2O2

Help on Composition: Composition:

Molecular Weight = 822.06 gm

Copper 7.73 % Cu 9.68 % CuO

Hydrogen 0.25 % H 2.19 % H2O

Lead 75.61 % Pb 81.45 % PbO

Chlorine 8.63 % Cl 8.63 % Cl

- % Cl -1.95 % -O=Cl2

Oxygen 7.78 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Pb3CuCl2(OH)2O2

Help on Environment: Environment:

Secondary mineral associated with lead- and copper-bearing pods in Mn-Fe deposits developed along fissures in dolomitic conglomerate and limestone.

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1923

Help on Locality: Locality:

Higher Pitts, Mendip Hills, Somersetshire, England. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named fom the Greek for green and blade or straight sword, for the typical crystal habit.

Help on Synonym: Synonym:

ICSD 200123

PDF 33-467

Chloroxiphite Image

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Chloroxiphite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =1.8187:1:1.1639

Help on Cell Dimensions: Cell Dimensions:

a = 10.458, b = 5.75, c = 6.693, Z = 2; beta = 97.79° V = 398.76 Den(Calc)= 6.85

Help on Crystal System: Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.872(1), 2.829(0.78), 10.361(0.69),

Click Here for Large Chloroxiphite Structure Window Crystal Structure:

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| | Finney J J , Graeber E J , Rosenzweig A , Hamilton R D , Mineralogical Magazine , 41 (1977) p.357-361, The structure of chloroxiphite, Pb3CuO2(OH)2Cl2, Locality: Mendip Hills, Somerset, England | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Chloroxiphite

Help on Cleavage: Cleavage:

{001} Perfect, {010} Distinct

Help on Color: Color:

Dull olive green, Pistachio green.

Help on Density: Density:

6.76

Help on Diaphaneity: Diaphaneity:

Transparent to translucent

Help on Fracture: Fracture:

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

Help on Habit: Habit:

Tabular - Form dimensions are thin in one direction.

Help on Hardness: Hardness:

2.5 - Finger Nail

Help on Luster: Luster:

Adamantine - Resinous

Help on Streak: Streak:

light yellow green

Optical Properties of Chloroxiphite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= -0.128 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.114 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1776,KPDmeas= 0.18,KC= 0.1595
Ncalc = 2.08 - 2.09

Help on Optical Data: Optical Data:

Biaxial (-), a=2.16, b=2.24, g=2.25, bire=0.0900, 2V(Calc)=36, 2V(Meas)=70.

Help on Pleochroism (x): Pleochroism (x):

bright emerald green.

Help on Pleochroism (y): Pleochroism (y):

yellowish brown.

Calculated Properties of Chloroxiphite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=5.72 gm/cc
note: Specific Gravity of Chloroxiphite =6.85 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.16
Boson Index = 0.84

Help on Photoelectric: Photoelectric:

PEChloroxiphite =1,395.54 barns/electron
U=PEChloroxiphite x rElectron Density=7,977.23 barns/cc.

Help on Radioactivity: Radioactivity:

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

Chloroxiphite Classification

Help on Dana Class: Dana Class:

10.06.04.01 (10)Oxyhalides and Hydroxyhalides

(10.06)where Am Bn (O,OH)p Xq

(10.06.04)Dana Group

10.06.04.01 Chloroxiphite Pb3CuCl2(OH)2O2 P 21/m 2/m

Help on Strunz Class: Strunz Class:

03.DB.30 03 - HALIDES

03.D - Oxyhalides, Hydroxyhalides and Related Double Halides

03.DB -With Pb, Cu, etc.

03.DB.30 Chloroxiphite Pb3CuCl2(OH)2O2 P 21/m 2/m

Other Chloroxiphite Information

Help on References: References:

NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Help on See Also: See Also:

Links to other databases for Chloroxiphite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Ask about Chloroxiphite here :
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Print or Cut-and-Paste your Chloroxiphite Specimen Label here :

Chloroxiphite

Pb3CuCl2(OH)2O2
Dana No: 10.06.04.01 Strunz No: 03.DB.30
Locality:

Notes: