Coeruleolactite
A discredited species name
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About Coeruleolactite
Colour:
Milk-white, light blue
Lustre:
Vitreous, Waxy
Hardness:
5
Specific Gravity:
2.55 - 2.7
Crystal System:
Triclinic
Name:
From the Greek "coeruleus" for "blue" and "lactis" for "milk" in allusion to its typical colour.
A discredited member of the Turquoise Group.
Originally described from Rindsberg Mine, Katzenelnbogen, Taunus Mts, Rhineland-Palatinate, Germany.
Originally described from Rindsberg Mine, Katzenelnbogen, Taunus Mts, Rhineland-Palatinate, Germany.
Unique Identifiers
Mindat ID:
1103
Long-form identifier:
mindat:1:1:1103:3
IMA Classification of Coeruleolactite
Discredited
Classification of Coeruleolactite
8.DD.15
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
D : With only medium-sized cations, (OH, etc.):RO4= 2:1
42.9.3.2
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
Physical Properties of Coeruleolactite
Vitreous, Waxy
Transparency:
Translucent
Colour:
Milk-white, light blue
Streak:
White
Hardness:
5 on Mohs scale
Fracture:
Irregular/Uneven, Conchoidal
Density:
2.55 - 2.7 g/cm3 (Measured)
Optical Data of Coeruleolactite
Type:
Uniaxial (+)
RI values:
nω = 1.58 nε = 1.588
Max. Birefringence:
δ = 0.008
Based on recorded range of RI values above.
Based on recorded range of RI values above.
Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.
Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.
Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars.
Surface Relief:
Moderate
Crystallography of Coeruleolactite
Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.529 Å, b = 9.951 Å, c = 7.782 Å
α = 112.51°, β = 116.54°, γ = 68.57°
α = 112.51°, β = 116.54°, γ = 68.57°
Ratio:
a:b:c = 0.757 : 1 : 0.782
Unit Cell V:
468.35 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Microcrystalline to cryptocrystalline; fibrous veinlets, botryoidal aggregates, and crusts.
Geological Environment
Geological Setting:
Oxidized zones of iron deposits; pegmatite.
Other Language Names for Coeruleolactite
German:Cœruleolactin
Coeruleolaktit
Coeruleolaktit
Spanish:Coeruleolactita
Common Associates
Associations Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 8.DD. | Penberthycroftite | [Al6(AsO4)3(OH)9(H2O)5] · 8H2O |
| 8.DD. | Bettertonite | [Al6(AsO4)3(OH)9(H2O)5] · 11H2O |
| 8.DD. | Vargite | MnCu2Mn2(AsO4)2(OH)4(H2O)4 |
| 8.DD. | Galeaclolusite | Al6(AsO4)3(OH)9(H2O)4 · 8H2O |
| 8.DD.05 | Luetheite | Cu2Al2(AsO4)2(OH)4 |
| 8.DD.05 | Chenevixite | Cu2Fe3+2(AsO4)2(OH)4 |
| 8.DD.10 | Akrochordite | MnMn2Mn2(AsO4)2(OH)4(H2O)4 |
| 8.DD.10 | Guanacoite | MgCu2Mg2(AsO4)2(OH)4(H2O)4 |
| 8.DD.15 | 'UM1981-32-PO:FeH' | Fe2+Fe3+6(PO4)4-x[PO3(OH)]x(OH)8 · 4H2O |
| 8.DD.15 | Afmite | Al3(OH)4(H2O)3(PO4)(PO3OH) · H2O |
| 8.DD.15 | Aheylite | (Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Faustite | ZnAl6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Planerite | Al6(PO4)2(PO3OH)2(OH)8 · 4H2O |
| 8.DD.15 | Chalcosiderite | CuFe3+6(PO4)4(OH)8 · 4H2O |
| 8.DD.15 | Turquoise | CuAl6(PO4)4(OH)8 · 4H2O |
| 8.DD.20 | Eosphorite | Mn2+Al(PO4)(OH)2 · H2O |
| 8.DD.20 | Ernstite | (Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O |
| 8.DD.20 | Lefontite | Fe2Al2Be(PO4)2(OH)6 |
| 8.DD.20 | Childrenite | Fe2+Al(PO4)(OH)2 · H2O |
| 8.DD.25 | Kobokoboite | Al6(PO4)4(OH)6 · 11H2O |
| 8.DD.30 | Smamite | Ca2Sb(OH)4[H(AsO4)2] · 6H2O |
| 8.DD.35 | 'Gutsevichite' | Al3(PO4)2(OH)3 · 8H2O |
| 8.DD.40 | 'Laubmannite (of Moore)' | (Fe3+,Fe2+,M)8+x(OH,H2O)9(H2O)2(PO4)5, M = Fe3+, Cu2+ or other metal cation, x ~ 0.1. |
Other Information
Notes:
Soluble in acids and in alkalies.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Coeruleolactite
mindat.org URL:
https://www.mindat.org/min-1103.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Coeruleolactite
Reference List:
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin 679. US Geological Survey doi:10.3133/b679 p.59
McConnell, D. (1942) X-ray data on several phosphate minerals. American Journal of Science, 240 (9) 649-657 doi:10.2475/ajs.240.9.649
Fischler, Emil (1958) Über die Beziehungen zwischen Coeruleolactit, Planerit, Türkis, Alumochalkosiderit und Chalkosiderit. Beiträge zur Mineralogie und Petrographie, 6 (3) 182-189 doi:10.1007/bf01084815[Powder pattern, chemistry]
Localities for Coeruleolactite
Showing 9 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Bolivia | |
| SEM analyses by Gene Foord et al. (analyses copies courtesy of Brian Kosnar) |
Brazil | |
| Cassedanne et al. (1980) |
DR Congo | |
| Van Wambeke (1971) |
Germany | |
| Stieglitz et al. (1987) |
| Petersen (1871) |
Romania | |
| minerals-of-the-carpathians.eu (2008) |
UK | |
| Golley et al. (1995) |
USA | |
| Foord et al. (1998) |
Uzbekistan | |
| Mineraly Uzbekistana (Minerals of the Uzbekistan) |
General Trimble's Mine, East Whiteland Township, Chester County, Pennsylvania, USA