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Heneuite

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Formula:
CaMg5(CO3)(PO4)3(OH)
Colour:
Pale blue-green, pale greenish
Lustre:
Vitreous
Hardness:
Crystal System:
Triclinic
Name:
In honour of Professor Henrich Neumann (1914–1983), Mineralogical-Geological Museum, University of Oslo, Oslo, Norway
As cleavable, pale blue green, nodular masses several cm across. The nodules are rimmed by a thin layer of althausite, which in turn is surrounded by massive apatite.


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Classification of HeneuiteHide

Approved
8.BO.25

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
43.4.11.1

43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.4.6

22 : Phosphates, Arsenates or Vanadates with other Anions
4 : Phosphates, arsenates or vanadates with carbonate

Physical Properties of HeneuiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Pale blue-green, pale greenish
Streak:
White
Hardness:
5½ on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Distinct/Good
on {001}

Optical Data of HeneuiteHide

Type:
Biaxial (-)
RI values:
nα = 1.586 nβ = 1.620 nγ = 1.630
2V:
Measured: 50° to 56°, Calculated: 54°
Max Birefringence:
δ = 0.044
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
small

Chemical Properties of HeneuiteHide

Formula:
CaMg5(CO3)(PO4)3(OH)
IMA Formula:
CaMg5(PO4)3(CO3)(OH)

Crystallography of HeneuiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 6.3 Å, b = 10.83 Å, c = 8.67 Å
α = 95.01°, β = 93.41°, γ = 101.03°
Ratio:
a:b:c = 0.582 : 1 : 0.801
Unit Cell V:
576.64 ų (Calculated from Unit Cell)
Morphology:
Cleavable nodular masses.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.67 (40)
2.70 (100)
2.87 (90)
2.845 (40)
2.836 (42)
2.79 (80)
2.60 (37)

Type Occurrence of HeneuiteHide

General Appearance of Type Material:
Cleavable nodular masses
Place of Conservation of Type Material:
The Natural History Museum, University of Oslo
Geological Setting of Type Material:
Serpentine–magnesite deposit within a regional metamorphic terrain.
Associated Minerals at Type Locality:

Synonyms of HeneuiteHide

Other Language Names for HeneuiteHide

German:Heneuit
Spanish:Heneuita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Althausite1 photo of Heneuite associated with Althausite on mindat.org.
Raadeite1 photo of Heneuite associated with Raadeite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.BO.05NacaphiteNa2Ca(PO4)FMon. 2/m : P21/b
8.BO.10PreisingeriteBi3(AsO4)2O(OH)Tric. 1 : P1
8.BO.10PetitjeaniteBi3(PO4)2O(OH)Tric.
8.BO.10SchumacheriteBi3(VO4)2O(OH)Tric.
8.BO.15AtelestiteBi2(AsO4)O(OH)Mon. 2/m
8.BO.15HechtsbergiteBi2(VO4)O(OH)Mon. 2/m : P21/b
8.BO.15SmrkoveciteBi2(PO4)O(OH)Mon. 2/m : P21/b
8.BO.20KombatitePb14(VO4)2O9Cl4Mon.
8.BO.20SahlinitePb14(AsO4)2O9Cl4Mon.
8.BO.30NefedoviteNa5Ca4(PO4)4FTric.
8.BO.35Kuznetsovite(Hg+2)Hg2+(AsO4)ClIso. 2 3 : P21 3
8.BO.40Artsmithite(Hg+2)2Al(PO4)1.74(OH)1.78Mon. 2/m : B2/b
8.BO.45SchlegeliteBi7(AsO4)3(MoO4)2O4Orth. mmm (2/m 2/m 2/m)

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

22.4.1BradleyiteNa3Mg(CO3)(PO4)Mon.
22.4.2KovdorskiteMg2(PO4)(OH) · 3H2OMon.
22.4.3Carbonate-rich HydroxylapatiteCa5(PO4,CO3)3(OH,O)Hex.
22.4.4Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)Hex.
22.4.5TyroliteCa2Cu9(AsO4)4(CO3)(OH)8 · 11H2OMon. 2/m
22.4.7GirvasiteNaCa2Mg3(PO4)3(CO3)(H2O)6Mon. 2/m : P21/b
22.4.8Daqingshanite-(Ce)(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2xTrig.
22.4.9GartrellitePb(Cu,Fe3+,Zn)2(AsO4,SO4)2 · 2(H2O,OH)Tric. 1 : P1
22.4.10VoggiteNa2Zr(PO4)(CO3)(OH) · 2H2OMon.
22.4.11BonshtedtiteNa3Fe2+(CO3)(PO4)Mon. 2/m : P21/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for HeneuiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
- Raade, G., Mladeck,M.H. and Din, V.K. (1986): Heneuite, CaMg5(CO3)(PO4)3(OH), a new mineral from Modum, Norway. Neues Jahrbuch für Mineralogie. Monatsh. 1986, h. 8, 343–350.
- American Mineralogist: 73: 440.
- Rømming, C. and G. Raade (1986) The crystal structure of heneuite, CaMg5(CO3)(PO4)3(OH). Neues Jahrbuch für Mineralogie, Monatshefte 1986, 351-359.

Internet Links for HeneuiteHide

Localities for HeneuiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Norway (TL)
 
  • Buskerud
    • Modum
[AmMin 86:1536]; Raade, G., Mladeck, M. H. & Din, V.K. (1986): Heneuite, CaMg5(CO3)(PO4)3(OH), a new mineral from Modum, Norway. N. Jb. Miner. Mh. H. 8, 343-350
Mineral and/or Locality  
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