Coeruleolactite (original) (raw)

A discredited species name

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About CoeruleolactiteHide

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Colour:

Milk-white, light blue

Specific Gravity:

2.55 - 2.7

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.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:1103:3

e31f7cec-9848-44f0-94a3-1df431798141

IMA Classification of CoeruleolactiteHide

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Classification of CoeruleolactiteHide

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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

42.9.3.2

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O

Physical Properties of CoeruleolactiteHide

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Colour:

Milk-white, light blue

Fracture:

Irregular/Uneven, Conchoidal

Density:

2.55 - 2.7 g/cm3 (Measured)

Optical Data of CoeruleolactiteHide

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RI values:

_n_ω = 1.580 _n_ε = 1.588

δ = 0.008

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Crystallography of CoeruleolactiteHide

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Class (H-M):

1 - Pinacoidal

Cell Parameters:

a = 7.529 Å, b = 9.951 Å, c = 7.782 Å
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)

Morphology:

Microcrystalline to cryptocrystalline; fibrous veinlets, botryoidal aggregates, and crusts.

Geological EnvironmentHide

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Geological Setting:

Oxidized zones of iron deposits; pegmatite.

Other Language Names for CoeruleolactiteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

1 photo of Coeruleolactite associated with Dufrénite Ca0.5Fe2+Fe3+5(PO4)4(OH)6 · 2H2O

Related Minerals - Strunz-mindat GroupingHide

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8.DD. Bettertonite [Al6(AsO4)3(OH)9(H2O)5] · 11H2O Mon. 2/m : _P_21/b
8.DD. Penberthycroftite [Al6(AsO4)3(OH)9(H2O)5] · 8H2O Mon. 2/m : _P_21/b
8.DD. Vargite MnCu2Mn2(AsO4)2(OH)4(H2O)4 Mon. 2/m : _P_21/b
8.DD. Galeaclolusite Al6(AsO4)3(OH)9(H2O)4 · 8H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a
8.DD.05 Chenevixite Cu2Fe3+2(AsO4)2(OH)4 Mon. 2/m : _P_21/m
8.DD.05 Luetheite Cu2Al2(AsO4)2(OH)4 Mon. 2/m : _P_21/m
8.DD.10 Akrochordite MnMn2Mn2(AsO4)2(OH)4(H2O)4 Mon. 2/m : _P_21/b
8.DD.10 Guanacoite MgCu2Mg2(AsO4)2(OH)4(H2O)4 Mon. 2/m : _P_21/b
8.DD.15 Aheylite (Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2O Tric. 1 : _P_1
8.DD.15 Chalcosiderite CuFe3+6(PO4)4(OH)8 · 4H2O Tric. 1 : _P_1
8.DD.15 Faustite ZnAl6(PO4)4(OH)8 · 4H2O Tric. 1 : _P_1
8.DD.15 Planerite Al6(PO4)2(PO3OH)2(OH)8 · 4H2O Tric. 1 : _P_1
8.DD.15 Turquoise CuAl6(PO4)4(OH)8 · 4H2O Tric. 1 : _P_1
8.DD.15 Afmite Al3(OH)4(H2O)3(PO4)(PO3OH) · H2O Tric. 1 : _P_1
8.DD.15 UM1981-32-PO:FeH Fe2+Fe3+6(PO4)4-x[PO3(OH)]x(OH)8 · 4H2O
8.DD.20 Childrenite Fe2+Al(PO4)(OH)2 · H2O Orth. m _m_2 : C c _c_2
8.DD.20 Eosphorite Mn2+Al(PO4)(OH)2 · H2O Orth. m m m _(_2/_m_2/_m_2/m ) : C m c a
8.DD.20 Ernstite (Mn2+,Fe3+)Al(PO4)(OH,O)2 · H2O Mon.
8.DD.20 Lefontite Fe2Al2Be(PO4)2(OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : C m c a
8.DD.25 Kobokoboite Al6(PO4)4(OH)6 · 11H2O Tric.
8.DD.30 Smamite Ca2Sb(OH)4[H(AsO4)2] · 6H2O Tric. 1 : _P_1
8.DD.35 Gutsevichite Al3(PO4)2(OH)3 · 8H2O Iso.
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. Orth. m m m _(_2/_m_2/_m_2/m ) : P b c m

Other InformationHide

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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.

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References for CoeruleolactiteHide

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Reference List:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

**Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (2000) Handbook of Mineralogy Vol. 4 - Arsenates, phosphates, vanadates. Mineral Data Publishing, Tucson, Arizona.**p.123

Localities for CoeruleolactiteHide

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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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