Coeruleolactite Mineral Data

General Coeruleolactite Information

Chemical Formula:

(Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O)

Composition:

Molecular Weight = 817.38 gm

Calcium 2.94 % Ca 4.12 % CaO

Aluminum 19.81 % Al 37.42 % Al₂O₃

Copper 3.11 % Cu 3.50 % Cu₂O

Phosphorus 15.16 % P 34.73 % P₂O₅

Hydrogen 2.22 % H 19.84 % H₂O

Oxygen 56.76 % O

______ ______

100.00 % 99.61 % = TOTAL OXIDE

Empirical Formula:

Ca_0.6Cu_0.4Al₆(PO₄)₄(OH)₈•5(H₂O)

Environment:

In brown iron ore (Bog iron).

IMA Status:

Valid Species (Pre-IMA) 1871

Locality:

Rindsberg mine, near Katzenelnbogin, Rhineland-Palatinate, Germany. Link to MinDat.org Location Data.

Name Origin:

Named from the Greek for "blue" and "milk", for its typical color.

Coeruleolactite Image

Images:

Coeruleolactite

Comments: Hexagonal green crystal of coeruleolactite with brownish surface coating.
Location: Turquoise Mine, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA. Scale: 12x5x4 mm.
© John Betts - Fine Minerals

Coeruleolactite Crystallography

Axial Ratios:

a:b:c =0.7566:1:0.782

Cell Dimensions:

a = 7.529, b = 9.951, c = 7.782, Z = 1; alpha = 112.51°, beta = 116.54°, gamma = 68.57° V = 448.54 Den(Calc)= 3.03

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 2.96(1), 3.7(0.9), 3.48(0.5),

Physical Properties of Coeruleolactite

Cleavage:

None

Color:

Milk white, Light blue.

Density:

2.5 - 2.7, Average = 2.6

Diaphaneity:

Semitransparent

Fracture:

Conchoidal - Uneven - Uneven fracture producing small, conchoidal fragments.

Habit:

Cryptocrystalline - Occurs as crystals too small to distinguish with the naked eye.

Habit:

Encrustations - Forms crust-like aggregates on matrix.

Habit:

Fibrous - Crystals made up of fibers.

Hardness:

5 - Apatite

Luminescence:

Non-fluorescent.

Luster:

Vitreous - Waxy

Streak:

white

Optical Properties of Coeruleolactite

Gladstone-Dale:

CI meas= -0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.09 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2051,KPDmeas= 0.2287,KC= 0.2253
Ncalc = 1.56 - 1.65

Optical Data:

Biaxial (+), a=1.58, b=1.599, g=1.605, bire=0.0250

Calculated Properties of Coeruleolactite

Electron Density:

Bulk Density (Electron Density)=2.62 gm/cc
note: Specific Gravity of Coeruleolactite =2.60 gm/cc.

Fermion Index:

Fermion Index = 0.0003155177
Boson Index = 0.9996844823

Photoelectric:

PE_{Coeruleolactite}= 3.01 barns/electron
U=PE_{Coeruleolactite} x rElectron Density= 7.88 barns/cc.

Radioactivity:

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

Coeruleolactite Classification

Dana Class:

42.09.03.02 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.09)where (A)3 (XO4)2 Zq · x(H2O)

(42.09.03)Turquoise Group

42.09.03.01 Turquoise CuAl6(PO4)4(OH)8•4(H2O) P1 1

42.09.03.02 Coeruleolactite (Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O) P1 1

42.09.03.03 Faustite (Zn,Cu)Al6(PO4)4(OH)8•4(H2O) P1 1

42.09.03.04 Chalcosiderite CuFe6(PO4)4(OH)8•4(H2O) P1 1

42.09.03.05 Aheylite (Fe,Zn)Al6(PO4)4(OH)8•4(H2O) P1 1

42.09.03.06 Planerite Al6(PO4)2(PO3OH)2(OH)8•4(H2O) P1 1

Strunz Class:

08.XX.00 08 - PHOSPHATES, ARSENATES, VANADATES

08.X - Unclassified Strunz PHOSPHATES, ARSENATES, VANADATES

08.XX -Tourquiose Group

08.XX.00 Arsenobismite? Bi2(AsO4)(OH)3 Unk Ortho

08.XX.00 Coeruleolactite (Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O) P1 1

08.XX.00 Cheralite-(Ce)? (Ce,Ca,Th)(P,Si)O4 P 2₁/n 2/m

08.XX.00 Chernovite-(Ce)* (Ce,Y)(AsO4) I 4₁/amd 4/m 2/m 2/m

08.XX.00 Kerstenite? PbSeO4(?) P nma 2/m 2/m 2/m

08.XX.00 Laubmannite? Fe3Fe6(PO4)4(OH)12 Unk Ortho

08.XX.00 Spodiosite? Ca2(PO4)F Pbcm 2/m 2/m 2/m

08.XX.00 Pseudo-autunite* (H3O)4Ca2(UO2)2(PO4)4•5(H2O)(?) Unk Ortho

08.XX.00 Viseite Ca10Al24(SiO4)6(PO4)7O22F3•72(H2O)(?) I a3d 4/m 3 2/m

08.XX.00 Vanuranylite? (H3O,Ba,Ca,K)1.6(UO2)2V2O8•4(H2O)(?) C 2/c ? 2/m

08.XX.00 Sodium-autunite Na2(UO2)2(PO4)2•8(H2O) P 4/nmm 4/m 2/m 2/m

08.XX.00 Sodium meta-autunite! Na2(UO2)2(PO4)2•6-8(H2O) P 4/nmm 4/m 2/m 2/m

08.XX.00 Slavkovite! Cu13(AsO4)6(AsO3OH)4•23(H2O) P1 1

08.XX.00 IMA2000-020! Fe4[AsO3OH]5[AsO2(OH)2]2•20(H2O) Ortho Ortho

08.XX.00 Lewisite! (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m

08.XX.00 Kamarizaite! Fe3(AsO4)2(OH)3•3H2O Pccm, Pcc2, Pcmm, Pcm21 Ortho

08.XX.00 Lapeyreite! Cu3O[AsO3(OH)]2•H2O C 2/m 2/m

08.XX.00 IMA2008-063 Pb[Zn0.25,[]0.75]Fe3H(AsO4)2(OH)6 C 2/c 2/m

08.XX.00 IMA2009-002! Cu3(AsO4)2 P 2₁/c 2/m

08.XX.00 IMA2009-005 (Y,Ca,REE)5[(Si,P)O4]3F P 6₃/m 6/m 2/m 2/m

08.XX.00 IMA2009-016 Cu4H(AsO4)2(OH)3•H2O P1 1

Other Coeruleolactite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Coeruleolactite :
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 Coeruleolactite Specimen Label here :

Coeruleolactite

(Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O)
Dana No: 42.09.03.02 Strunz No: 08.XX.00
Locality:

Notes: