Hiarneite Mineral Data

General Hiarneite Information

Chemical Formula:

(Ca,Mn,Na)2(Zr,Mn+++)5(Sb,Ti,Fe)2O16

Composition:

Molecular Weight = 916.77 gm

Sodium 0.50 % Na 0.68 % Na₂O

Calcium 5.25 % Ca 7.34 % CaO

Zirconium 29.85 % Zr 40.32 % ZrO₂

Titanium 3.13 % Ti 5.23 % TiO₂

Manganese 15.58 % Mn 4.64 % MnO / 17.22 % Mn₂O₃

Iron 1.83 % Fe 2.61 % Fe₂O₃

Antimony 15.94 % Sb 19.08 % Sb₂O₃

Oxygen 27.92 % O

______ ______

100.00 % 97.12 % = TOTAL OXIDE

Empirical Formula:

Ca_1.2Mn²⁺_0.6Na_0.2Zr₃Mn³⁺₂Sb_1.2Ti_0.6Fe³⁺_0.3O₁₆

Environment:

Isostructural with calzirtite. In a skarn assemblage resulted from metasomatic reactions affecting a felsic volcanic rock, followed by high-grade metamorphism in an environment of h igh f(O2 ) and silica undersaturation.

IMA Status:

Approved IMA 1995 (Dana # Added)

Locality:

The Langban iron-manganese deposit, Langban, Filipstad district, Varmland, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named after Urban Hiarne (1641-1724), a pioneer in Swedish geology.

Name Pronunciation:

Hiarneite + Pronunciation

Synonym:

IMA1996-040

Hiarneite Image

Images:

Hiarneite

Comments: A bright red single grain of hiarneite about 0.25mm in matrix with magnetoplumbite.
Location: Langban, Varmland, Sweden. Scale: Picture size 2 mm.
© Tom Loomis / Dakota Matrix

Hiarneite Crystallography

Axial Ratios:

a:c = 1:0.66096

Cell Dimensions:

a = 15.264, c = 10.089, Z = 8; V = 2,350.63 Den(Calc)= 5.18

Crystal System:

Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 4₁/acd

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

By Intensity(I/I_o): 2.92(1), 1.792(0.9), 1.534(0.8),

Physical Properties of Hiarneite

Cleavage:

None

Color:

Bright red.

Density:

5.44

Diaphaneity:

Translucent

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Habit:

Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.

Hardness:

7 - Quartz

Optical Properties of Hiarneite

Gladstone-Dale:

CI meas= 0.09 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.044 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2201,KPDmeas= 0.2096,KC= 0.2303
Ncalc = 2.19 - 2.25

Optical Data:

Uniaxial (+), w=2.12, e=2.16, bire=0.0400.

RL Anisotrophism:

Weak.

RL Color:

Colorless to gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Hiarneite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
460 nm	13.10	14.00
540 nm	12.80	13.50
580 nm	12.80	13.50
640 nm	12.80	13.40

**Calculated Relative Intensity Colors of Hiarneite in Air**
Relative Intensity	0%	70%	100%	140%	210%	280%	350%	420%	490%	560%	630%	690%
R₁
R₂

Calculated Properties of Hiarneite

Electron Density:

Bulk Density (Electron Density)=4.76 gm/cc
note: Specific Gravity of Hiarneite =5.18 gm/cc.

Fermion Index:

Fermion Index = 0.03
Boson Index = 0.97

Photoelectric:

PE_Hiarneite= 98.73 barns/electron
U=PE_Hiarneite x rElectron Density= 470.15 barns/cc.

Radioactivity:

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

Hiarneite Classification

Dana Class:

08.07.04.02 (08)Multiple Oxides with Nb, Ta, and Ti

(08.07)Dana Type

(08.07.04)Dana Group

08.07.04.01 Calzirtite CaZr3TiO9 P bca 2/m 2/m 2/m

08.07.04.02 Hiarneite! (Ca,Mn,Na)2(Zr,Mn)5(Sb,Ti,Fe)2O16 I 4₁/acd 4/m 2/m 2/m

Strunz Class:

04.DL.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.D - Metal:Oxygen = 1:2 and similar

04.DL -With large (± medium-sized) cations; fluorite-type structures

04.DL.10 Calzirtite CaZr3TiO9 P bca 2/m 2/m 2/m

04.DL.10 Hiarneite! (Ca,Mn,Na)2(Zr,Mn)5(Sb,Ti,Fe)2O16 I 4₁/acd 4/m 2/m 2/m

04.DL.10 Tazheranite CaTiZr2O8 F m3m 4/m 3 2/m

Other Hiarneite Information

References:

NAME( AmMin) PHYS. PROP.(Eur. J. Min.,Vol.9,p843-848,1997) OPTIC PROP.(MinRec v 29, p 471)

See Also:

Links to other databases for Hiarneite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
12 - WWW-MINCRYST

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Ask about Hiarneite here :
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Print or Cut-and-Paste your Hiarneite Specimen Label here :

Hiarneite

(Ca,Mn,Na)2(Zr,Mn+++)5(Sb,Ti,Fe)2O16
Dana No: 08.07.04.02 Strunz No: 04.DL.10
Locality:

Notes: