Reichenbachite Mineral Data

General Reichenbachite Information

Chemical Formula:

Cu++5(PO4)2(OH)4

Composition:

Molecular Weight = 575.70 gm

Copper 55.19 % Cu 69.09 % CuO

Phosphorus 10.76 % P 24.66 % P₂O₅

Hydrogen 0.70 % H 6.26 % H₂O

Oxygen 33.35 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu₅(PO₄)₂(OH)₄

Environment:

Silicified barite vein. Trimorphous with pseudomalachite and ludjibaite.

IMA Status:

Approved IMA 1984

Locality:

Reichenbach, Odenwald, Germany. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Name Pronunciation:

Reichenbachite + Pronunciation

Synonym:

ICSD 100019

PDF 40-502

Reichenbachite Image

Images:

Reichenbachite

Comments: Green crystals of reichenbachite on quartz.
Location: Bergen, near Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Reichenbachite Crystallography

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

By Intensity(I/I_o): 2.41(1), 4.47(1), 3.132(0.3),

Physical Properties of Reichenbachite

Color:

Dark green.

Optical Properties of Reichenbachite

Gladstone-Dale:

CI meas= -0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1902,KPDmeas= 0.1902,KC= 0.1838
Ncalc = 1.8

Calculated Properties of Reichenbachite

Electron Density:

Bulk Density (Electron Density)=4.16 gm/cc
note: Specific Gravity of Reichenbachite =4.35 gm/cc.

Fermion Index:

Fermion Index = 0.0001611273
Boson Index = 0.9998388727

Photoelectric:

PE_{Reichenbachite}= 24.87 barns/electron
U=PE_{Reichenbachite} x rElectron Density= 103.34 barns/cc.

Radioactivity:

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

Reichenbachite Classification

Dana Class:

41.04.03.02 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.04)where (A B)5 (XO4)2 Zq

(41.04.03)Dana Group

41.04.03.01 Pseudomalachite Cu5(PO4)2(OH)4 P 2₁/a 2/m

41.04.03.02 Reichenbachite Cu5(PO4)2(OH)4 P 2₁/a 2/m

41.04.03.03 Ludjibaite Cu5(PO4)2(OH)4 P1 1

Strunz Class:

08.BD.05 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BD -With only medium-sized cations, (OH, etc.):RO4 = 2:1

08.BD.05 Cornwallite Cu5(AsO4)2(OH)4 P 2₁/a 2/m

08.BD.05 Pseudomalachite Cu5(PO4)2(OH)4 P 2₁/a 2/m

08.BD.05 Reichenbachite Cu5(PO4)2(OH)4 P 2₁/a 2/m

Other Reichenbachite Information

See Also:

Links to other databases for Reichenbachite :
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

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

Reichenbachite

Cu++5(PO4)2(OH)4
Dana No: 41.04.03.02 Strunz No: 08.BD.05
Locality:

Notes: