Hainite Mineral Data

General Hainite Information

Chemical Formula:

Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8

Composition:

Molecular Weight = 1,456.09 gm

Sodium 5.53 % Na 7.45 % Na₂O

Calcium 23.40 % Ca 32.74 % CaO

La,Ce,Pr,Nd,Sm, 1.98 % RE 2.31 % REE₂O₃

Zirconium 5.01 % Zr 6.77 % ZrO₂

Titanium 4.93 % Ti 8.23 % TiO₂

Manganese 1.89 % Mn 2.44 % MnO

Iron 0.96 % Fe 1.23 % FeO

Silicon 15.04 % Si 32.19 % SiO₂

Oxygen 30.44 % O

Fluorine 10.83 % F 10.83 % F

- % F -4.56 % -O=F₂

______ ______

100.00 % 99.62 % = TOTAL OXIDE

Empirical Formula:

Na_3.5Ca_8.5REE_0.2Ti_1.5Zr_0.8Mn²⁺_0.5Fe²⁺_0.25Si_7.8O_27.7F_8.3

Environment:

In cavities and embedded in the groundmass of a phonolite.

IMA Status:

Valid Species (Pre-IMA) 1893

Locality:

Hradiste Mountain, (formerly named Hoher Hain) near Mildenau, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

For the locality.

Name Pronunciation:

Hainite

Synonym:

Giannettite

Hainite Image

Images:

Hainite

Comments: Brownish-yellow crystal of hainite in pegmatite matrix.
Location: Bortolan Quarry, Pocos de Caldos, Minas Gerais, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Hainite Crystallography

Axial Ratios:

a:b:c =0.7819:1:1.3205

Cell Dimensions:

a = 5.676, b = 7.259, c = 9.586, Z = 1; alpha = 101.08°, beta = 101.14°, gamma = 90.27° V = 380.29 Den(Calc)= 6.36

Crystal System:

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

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

By Intensity(I/I_o): 2.961(1), 3.073(0.9), 1.896(0.7),

Physical Properties of Hainite

Cleavage:

{010} Perfect, {100} Indistinct

Color:

Honey yellow, Wine yellow.

Density:

3.148

Diaphaneity:

Translucent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Acicular - Occurs as needle-like crystals.

Hardness:

5 - Apatite

Luster:

Adamantine

Streak:

white

Optical Properties of Hainite

Gladstone-Dale:

CI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.476 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.111,KPDmeas= 0.2242,KC= 0.2117
Ncalc = 1.67 - 2.35

Optical Data:

Biaxial (+), a=1.7, b=1.705, g=1.712, bire=0.0120, 2V(Calc)=82, 2V(Meas)=Large. Dispersion r >v strong, N calculated.

Pleochroism (x):

colorless.

Pleochroism (z):

wine yellow.

Calculated Properties of Hainite

Electron Density:

Bulk Density (Electron Density)=3.07 gm/cc
note: Specific Gravity of Hainite =3.15 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Hainite= 23.32 barns/electron
U=PE_Hainite x r_electron= 71.60 barns/cc.

Radioactivity:

GRapi = 2,065.43 (Gamma Ray American Petroleum Institute Units)
Concentration of Hainite per GRapi unit = 484.16 (PPM)

**Estimated Radioactivity from Hainite** - mild
Specimen Size Weight/Volume (Sphere) *	Calculated Activity Bequerols (Bq)	Calculated Activity Curies (Ci)	Estimated Activity GR(api)	Estimated Exposure (mRem**)/hr If Held in Hand For One Hour
1000 gm / 8.47 cm	44,464	1.20E-06	2,065.43	0.68
100 gm / 3.93 cm	4,446	1.20E-07	206.54	0.07
10 gm / 1.82 cm	445	1.20E-08	20.65	0.01
1 gm / 8.47 mm	44	1.20E-09	2.07	0.00
0.1 gm / 3.93 mm	4	1.20E-10	0.21	0.00
0.01 gm / 1.82 mm	0	1.20E-11	0.02	0.00
0.001 gm / 0.85 mm	0	1.20E-12	0.00	0.00

Weight of pure Hainite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.15 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 0.10 % Th) From Sum REE Elements ( 1.98 % REE)

Hainite Classification

Dana Class:

56.02.04.09 (56)Sorosilicate Si2O7 Groups and O, OH, F. and H2O

(56.02)with cations in [4] and/or >[4] coordination

(56.02.04)Cuspidine - Wohlerite group

56.02.04.01 Baghdadite Ca3(Zr,Ti)Si2O9 P 2₁/a 2/m

56.02.04.02 Burpalite Na2CaZrSi2O7F2 P 2₁/a 2/m

56.02.04.03 Cuspidine Ca4Si2O7(F,OH)2 P 2₁/c 2/m

56.02.04.04 Lavenite (Na,Ca)2(Mn,Fe)(Zr,Ti,Nb)Si2O7(O,OH,F) P 2₁/a 2/m

56.02.04.05 Wohlerite NaCa2(Zr,Nb)Si2O7(O,OH,F)2 P 2₁/m 2/m

56.02.04.06 Niocalite Ca14Nb2(Si2O7)4O6F2 Pa m

56.02.04.07 Hiortdahlite (Ca,Na,Y)3(Zr,Ti)Si2O7(F,O,OH)2 P1 1

56.02.04.08 Rosenbuschite (Ca,Na)3(Zr,Ti)Si2O8F P1 1

56.02.04.09 Hainite Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8 P1 1

56.02.04.10 Janhaugite (Na,Ca)3(Mn,Fe)3(Ti,Zr,Nb)2Si4O15(OH,F,O)3 P 2₁/n 2/m

56.02.04.11 Jennite Ca9Si6O18(OH)6•8H2O P1 1

56.02.04.12 Komarovite (Ca,Mn)2(Nb,Ti)2Si2O7(O,F)2•3.5(H2O) Unk Ortho

56.02.04.13 Natrokomarovite* Na6CaNb6[Si4O12F2•4(H2O) C mmm 2/m 2/m 2/m

56.02.04.14 Suolunite Ca2Si2O5(OH)2•(H2O) F dd2 mm2

56.02.04.15 Mongolite Ca4Nb6Si5O24(OH)10•5(H2O) Unk Tetra

56.02.04.16 Kristiansenite! Ca2ScSn(Si2O7)(Si2O6OH) C1 1

56.02.04.17 Kochite! Na2(Na,Ca)4Ca4(Mn,Ca)2Zr2Ti2(Si2O7)4(O,F)4F4 P1 1

56.02.04.18 Marianoite! Na2Ca4(Nb,Zr)2(Si2O7)2(O,F)4 P 2₁ 2/m

Strunz Class:

09.BE.22 09 - SILICATES (Germanates)

09.B - Sorosilicates

09.BE -Si2O7 groups with additional anions;

09.BE.22 Hainite Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8 P1 1

09.BE.22 Gotzenite (Ca,Na)3(Ti,Al)Si2O7(F,OH)2 P1 1

09.BE.22 Rosenbuschite (Ca,Na)3(Zr,Ti)Si2O8F P1 1

09.BE.22 Kochite! Na2(Na,Ca)4Ca4(Mn,Ca)2Zr2Ti2(Si2O7)4(O,F)4F4 P1 1

Other Hainite Information

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.75,p937,1990) OPTIC PROP.(Am.Min.,Vol.75,p937,1990)

See Also:

Links to other databases for Hainite :
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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Hainite

Na4Ca8(Ti,Zr,Mn,Fe)3Si8O28F8
Dana No: 56.02.04.09 Strunz No: 09.BE.22
Locality:

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