Hsianghualite Mineral Data

General Hsianghualite Information

Chemical Formula:

Ca3Li2Be3(SiO4)3F2

Composition:

Molecular Weight = 475.40 gm

Lithium 2.92 % Li 6.29 % Li₂O

Calcium 25.29 % Ca 35.39 % CaO

Beryllium 5.69 % Be 15.78 % BeO

Silicon 17.72 % Si 37.92 % SiO₂

Oxygen 40.39 % O

Fluorine 7.99 % F 7.99 % F

- % F -3.37 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₃Li₂Be₃(SiO₄)₃F₂

IMA Status:

Valid Species (Pre-IMA) 1958

Locality:

Type locality unclear, in metamorphosed Devonian limestone, Hunan Province, China. Link to MinDat.org Location Data.

Name Origin:

The name is from a Chinese word for fragrant flower.

Name Pronunciation:

Hsianghualite + Pronunciation

Synonym:

ICSD 39389

PDF 36-412

Hsianghualite Image

Images:

Hsianghualite

Comments: White crystalline areas of hsianghualite in dark green chloritic schist(?).
Location: Xianghualing Mine, Hunan, Central South Region, China. Scale: Not Given.
© Tom Loomis / Dakota Matrix

Hsianghualite Crystallography

Cell Dimensions:

a = 12.864, Z = 8; V = 2,128.77 Den(Calc)= 2.97

Crystal System:

Isometric - Tetartoidal H-M Symbol (2 3) Space Group: I 2₁3

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

By Intensity(I/I_o): 2.209(1), 2.746(1), 2.09(0.9),

Physical Properties of Hsianghualite

Cleavage:

None

Color:

White.

Density:

2.97 - 3, Average = 2.98

Diaphaneity:

Transparent to Translucent

Hardness:

6.5 - Pyrite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Hsianghualite

Gladstone-Dale:

CI meas= 0.041 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.036 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2065,KPDmeas= 0.2054,KC= 0.2141
Ncalc = 1.64

Optical Data:

Isotropic, n=1.6132.

Calculated Properties of Hsianghualite

Electron Density:

Bulk Density (Electron Density)=2.92 gm/cc
note: Specific Gravity of Hsianghualite =2.97 gm/cc.

Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Photoelectric:

PE_{Hsianghualite}= 3.93 barns/electron
U=PE_{Hsianghualite} x rElectron Density= 11.50 barns/cc.

Radioactivity:

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

Hsianghualite Classification

Dana Class:

77.01.01.05 (77)Tectosilicate Zeolite group

(77.01)true zeolites

(77.01.01)Analcime and related species

77.01.01.01 Analcime NaAlSi2O6•(H2O) P1 1

77.01.01.02 Pollucite (Cs,Na)2Al2Si4O12•(H2O) I a3d 4/m 3 2/m

77.01.01.03 Wairakite CaAl2Si4O12•2(H2O) I2/a 2/m

77.01.01.04 Laumontite CaAl2Si4O12•4(H2O) C 2/m 2/m

77.01.01.05 Hsianghualite Ca3Li2Be3(SiO4)3F2 I 2₁3 2 3

Strunz Class:

09.GB.05 09 - SILICATES (Germanates)

09.G - Tektosilicates with Zeolitic H2O

09.GB -Chains of single connected 4-membered rings

09.GB.05 Ammonioleucite (NH4,K)AlSi2O6 I 4₁/a 4/m

09.GB.05 Analcime NaAlSi2O6•(H2O) P1 1

09.GB.05 Hsianghualite Ca3Li2Be3(SiO4)3F2 I 2₁3 2 3

09.GB.05 Lithosite K6Al4Si8O25•(H2O) P 2₁ (pseudo ORTH) 2

09.GB.05 Leucite KAlSi2O6 I 4₁/a 4/m

09.GB.05 Pollucite (Cs,Na)2Al2Si4O12•(H2O) I a3d 4/m 3 2/m

09.GB.05 Wairakite CaAl2Si4O12•2(H2O) I2/a 2/m

Other Hsianghualite Information

References:

NAME( CanMin, v 35, p 1585) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Hsianghualite :
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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Hsianghualite

Ca3Li2Be3(SiO4)3F2
Dana No: 77.01.01.05 Strunz No: 09.GB.05
Locality:

Notes:

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