Balipholite Mineral Data

General Balipholite Information

Chemical Formula:

BaMg2LiAl3Si4O12(OH,F)8

Composition:

Molecular Weight = 718.20 gm

Barium 19.12 % Ba 21.35 % BaO

Lithium 0.97 % Li 2.08 % Li₂O

Magnesium 6.77 % Mg 11.22 % MgO

Aluminum 11.27 % Al 21.30 % Al₂O₃

Silicon 15.64 % Si 33.46 % SiO₂

Hydrogen 0.84 % H 7.53 % H₂O

Oxygen 40.10 % O

Fluorine 5.29 % F 5.29 % F

- % F -2.23 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

BaMg₂LiAl₃Si₄O₁₂(OH)₆F₂

Environment:

In a miarolitic cavity.

IMA Status:

Approved IMA 1974

Locality:

From the Hsianghualing area, Linwu, Hunan Province, China. Link to MinDat.org Location Data.

Name Origin:

Named for Barium and Lithium in the composition, and the Chinese for fibrous.

Name Pronunciation:

Balipholite + Pronunciation

Synonym:

ICSD 68260

PDF 33-787

Balipholite Crystallography

Axial Ratios:

a:b:c =0.6719:1:0.2549

Cell Dimensions:

a = 13.6, b = 20.24, c = 5.16, Z = 4; V = 1,420.36 Den(Calc)= 3.36

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: C cca

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

By Intensity(I/I_o): 10.12(1), 3.39(0.91), 4.05(0.78),

Physical Properties of Balipholite

Cleavage:

{010} Good

Color:

White, Light yellow.

Density:

3.33 - 3.35, Average = 3.34

Diaphaneity:

Transparent to Translucent

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Silky

Streak:

white

Optical Properties of Balipholite

Gladstone-Dale:

CI meas= 0.104 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.109 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1763,KPDmeas= 0.1774,KC= 0.1979
Ncalc = 1.66 - 1.67

Optical Data:

Biaxial (-), a=1.581, b=1.5958, g=1.6008, bire=0.0198, 2V(Calc)=58, 2V(Meas)=68-72.

Calculated Properties of Balipholite

Electron Density:

Bulk Density (Electron Density)=3.22 gm/cc
note: Specific Gravity of Balipholite =3.34 gm/cc.

Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Photoelectric:

PE_Balipholite= 80.71 barns/electron
U=PE_Balipholite x rElectron Density= 259.75 barns/cc.

Radioactivity:

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

Balipholite Classification

Dana Class:

65.01.05.04 (65)Inosilicate Single-Width Unbranched Chains, W=1

(65.01)with chains P=2

(65.01.05)Carpholite group

65.01.05.01 Carpholite MnAl2Si2O6(OH)4 C cca 2/m 2/m 2/m

65.01.05.02 Ferrocarpholite (Fe,Mg)Al2Si2O6(OH)4 C cca 2/m 2/m 2/m

65.01.05.03 Magnesiocarpholite MgAl2Si2O6(OH)4 C cca 2/m 2/m 2/m

65.01.05.04 Balipholite BaMg2LiAl3Si4O12(OH,F)8 C cca 2/m 2/m 2/m

65.01.05.05 Potassiccarpholite! (K,Na,[])(Li,Mn)2Al)4Si4O12(OH)4(F,OH)4 C cca 2/m 2/m 2/m

65.01.05.06 Vanadiocarpholite! MnVAl(Si2O6)(OH)4 C cca 2/m 2/m 2/m

Strunz Class:

09.DB.05 09 - SILICATES (Germanates)

09.D - Inosilicates* Structural terminology according to Liebau (1985)

09.DB -Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals

09.DB.05 Carpholite MnAl2Si2O6(OH)4 C cca 2/m 2/m 2/m

09.DB.05 Balipholite BaMg2LiAl3Si4O12(OH,F)8 C cca 2/m 2/m 2/m

09.DB.05 Ferrocarpholite (Fe,Mg)Al2Si2O6(OH)4 C cca 2/m 2/m 2/m

09.DB.05 Magnesiocarpholite MgAl2Si2O6(OH)4 C cca 2/m 2/m 2/m

09.DB.05 Potassiccarpholite! (K,Na,[])(Li,Mn)2Al)4Si4O12(OH)4(F,OH)4 C cca 2/m 2/m 2/m

09.DB.05 Vanadiocarpholite! MnVAl(Si2O6)(OH)4 C cca 2/m 2/m 2/m

Other Balipholite Information

References:

NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Balipholite :
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

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Balipholite

BaMg2LiAl3Si4O12(OH,F)8
Dana No: 65.01.05.04 Strunz No: 09.DB.05
Locality:

Notes:

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