Heneuite Mineral Data

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)

IMA Status:

Approved IMA 1986

Locality:

Link to MinDat.org Location Data.

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 - PinacoidalH-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

Diaphaniety:

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= -0.033 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.204,KPDmeas= 0.2029,KC= 0.1975

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:

r_electron=3.00 gm/cc
note: r_Heneuite=3.02 gm/cc.

Fermion Index

Fermion Index = 0.0238
Boson Index = 0.9762

Photoelectric:

PE_Heneuite= 2.34 barns/electron
U=PE_Heneuite x r_electron= 7.00 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Heneuite is Not Radioactive

Heneuite Classification

Dana Class:

43.4.11.1 (43)Compound Phosphates, etc.

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

(43.4.11)Dana Group

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

Strunz Class:

VII/B.22-10 VII - Phosphates, Arsenates and Vanadates

VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb

VII/B.22 - Heneuite series

VII/B.22-10 Heneuite CaMg5(PO4)3(CO3)(OH) P1 1

Other Heneuite Information

References:

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

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Heneuite

CaMg5(PO4)3(CO3)(OH)
Dana No: 43.4.11.1 Strunz No: VII/B.22-10
Locality:

Notes: