Zincolibethenite Mineral Data

General Zincolibethenite Information

Chemical Formula:

CuZn(PO4)OH

Composition:

Molecular Weight = 240.99 gm

Zinc 27.73 % Zn 34.52 % ZnO

Copper 25.84 % Cu 32.35 % CuO

Phosphorus 12.81 % P 29.36 % P₂O₅

Hydrogen 0.42 % H 3.74 % H₂O

Oxygen 33.20 % O

______ ______

100.00 % 99.96 % = TOTAL OXIDE

Empirical Formula:

Cu_0.98Zn_1.02P_0.99O₄(OH)

Environment:

Thought to have formed from a Zn-rich cupriferous fluid which possibly originated from the late-stage alteration of tarbuttite. Zn-dominant analogue of libethenite.

IMA Status:

Approved IMA 2003 (Dana # Added)

Locality:

Broken Hill mines, Northern Rhodesia (now Kabwe, Zambia). Link to MinDat.org Location Data.

Name Origin:

Named for its relationship to libethenite.

Synonym:

IMA2003-010

Zincolibethenite Image

Images:

Zincolibethenite

Comments: Pale greenish-blue botryoidal zincolibethenite groups, associated with colorless tarbuttite.
Location: Kabwe mine, Kabwe, Zambia. Scale: See Image.
© Rruff Database

Zincolibethenite Crystallography

Axial Ratios:

a:b:c =1.008:1:0.7115

Cell Dimensions:

a = 8.3263, b = 8.2601, c = 5.8771, Z = 4; V = 404.20 Den(Calc)= 3.96

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm

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

By Intensity(I/I_o): 4.7937(1)(011), 2.6325(0.47)(310), 5.8676(0.39)(110),2.9351(0.33)(220), 3.6993(0.22)(120), 2.4049(0.19)(311), 2.304(0.18)(320),

Physical Properties of Zincolibethenite

Cleavage:

{001} Distinct

Color:

Bright green.

Diaphaneity:

Translucent

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Habit:

Spherical - Spherical, rounded aggregates.

Hardness:

3.5 - Copper Penny

Luster:

Vitreous (Glassy)

Streak:

pale green

Optical Properties of Zincolibethenite

Gladstone-Dale:

CI calc= 0.005 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1751,KC= 0.176
Ncalc = 1.7

Optical Data:

Biaxial (-), a=1.66, b=1.705, g=1.715, bire=0.0550

Calculated Properties of Zincolibethenite

Electron Density:

Bulk Density (Electron Density)=3.78 gm/cc
note: Specific Gravity of Zincolibethenite =3.96 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Zincolibethenite}= 25.92 barns/electron
U=PE_{Zincolibethenite} x rElectron Density= 97.98 barns/cc.

Radioactivity:

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

Zincolibethenite Classification

Dana Class:

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

(41.06)where (A)2 (XO4) Zq

(41.06.06)Olivenite Group

41.06.06.01 Olivenite Cu2AsO4(OH) P 2₁/n 2/m

41.06.06.02 Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m

41.06.06.03 Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m

41.06.06.04 Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m

41.06.06.05 Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m

41.06.06.06 Zincolivenite! CuZn(AsO4)(OH) Pnnm 2/m 2/m 2/m

Strunz Class:

08.BB.30 08 - PHOSPHATES, ARSENATES, VANADATES

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

08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1

08.BB.30 Eveite Mn2(AsO4)(OH) Pnnm 2/m 2/m 2/m

08.BB.30 Adamite Zn2(AsO4)(OH) Pnnm 2/m 2/m 2/m

08.BB.30 Libethenite Cu2(PO4)(OH) Pnnm 2/m 2/m 2/m

08.BB.30 Olivenite Cu2AsO4(OH) P 2₁/n 2/m

08.BB.30 Zincolibethenite! CuZn(PO4)OH Pnnm 2/m 2/m 2/m

08.BB.30 Zincolivenite! CuZn(AsO4)(OH) Pnnm 2/m 2/m 2/m

Other Zincolibethenite Information

References:

NAME( AmMin, v90, p1950) PHYS. PROP.(AmMin, v90, p1950) OPTIC PROP.(AmMin, v90, p1950)

See Also:

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

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

Zincolibethenite

CuZn(PO4)OH
Dana No: 41.06.06.05 Strunz No: 08.BB.30
Locality:

Notes: