Heneuite Mineral Data

General Heneuite Information

Chemical Formula:

CaMg5(PO4)3(CO3)(OH)

Composition:

Molecular Weight = 523.53 gm

Calcium 7.66 % Ca 10.71 % CaO

Magnesium 23.21 % Mg 38.49 % MgO

Phosphorus 17.75 % P 40.67 % P₂O₅

Hydrogen 0.19 % H 1.72 % H₂O

Carbon 2.29 % C 8.41 % CO₂

Oxygen 48.90 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaMg₅(PO₄)₃(CO₃)(OH)

Environment:

Serpentine-magnesite deposit developed in a regional metamorphic terrain.

IMA Status:

Approved IMA 1986

Locality:

Tingelstadtjern quarry, Modum, Norway. Link to MinDat.org Location Data.

Name Origin:

Named for Henrich Neumann (1914-1983), Mineralogical-Geological Museum, University of Oslo, Oslo, Norway.

Name Pronunciation:

Heneuite

Synonym:

ICSD 29554

PDF 39-362

Heneuite Image

Images:

Heneuite Raadeite

Comments: Translucent aqua colored greasy heneuite grain, surrounded by beige rim of raadeite, with dark blue phosphoellenbergerite inclusion (near top of heneuite), in quartz apatite rock.
Location: Tingelstadt Iron Mine, Modum, Buskerud, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Heneuite Crystallography

Axial Ratios:

a:b:c =0.5818:1:0.8002

Cell Dimensions:

a = 6.3069, b = 10.8386, c = 8.6736, Z = 2; alpha = 95.013°, beta = 93.412°, gamma = 101.039° V = 578.69 Den(Calc)= 3.00

Crystal System:

Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 2.703(1), 2.8756(0.9), 2.7894(0.8),

Physical Properties of Heneuite

Cleavage:

{???} Good

Color:

Bluish violet, Light blue green.

Density:

3.016

Diaphaneity:

Transparent

Hardness:

5 - Apatite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Heneuite

Gladstone-Dale:

CI meas= -0.027 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.03 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2033,KPDmeas= 0.2029,KC= 0.1975
Ncalc = 1.59 - 1.6

Optical Data:

Biaxial (-), a=1.586, b=1.62, g=1.63, bire=0.0440, 2V(Calc)=54, 2V(Meas)=50-56.

Calculated Properties of Heneuite

Electron Density:

Bulk Density (Electron Density)=3.00 gm/cc
note: Specific Gravity of Heneuite =3.02 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Heneuite= 2.34 barns/electron
U=PE_Heneuite x rElectron Density= 7.00 barns/cc.

Radioactivity:

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

Heneuite Classification

Dana Class:

43.04.11.01 (43)Compound Phosphates, etc.

(43.04)(Anhydrous Compound Anions With Hydroxyl or Halogen)

(43.04.11)Dana Group

43.04.11.01 Heneuite CaMg5(PO4)3(CO3)(OH) P1 1

Strunz Class:

08.BO.25 08 - PHOSPHATES, ARSENATES, VANADATES

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

08.BO -With only large cations, (OH, etc.):RO4 ï¿½ 1:1

08.BO.25 Heneuite CaMg5(PO4)3(CO3)(OH) P1 1

Other Heneuite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(Am.Min.,Vol.73,p440,1988) OPTIC PROP.(Am.Min.,Vol.73,p440,1988)

See Also:

Links to other databases for Heneuite :
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
15 - WWW-MINCRYST

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

Heneuite

CaMg5(PO4)3(CO3)(OH)
Dana No: 43.04.11.01 Strunz No: 08.BO.25
Locality:

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