Svanbergite Mineral Data

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General Svanbergite Information

Chemical Formula:

SrAl3(PO4)(SO4)(OH)6

Composition:

Molecular Weight = 461.64 gm

Strontium 18.98 % Sr 22.45 % SrO

Aluminum 17.53 % Al 33.13 % Al₂O₃

Phosphorus 6.71 % P 15.37 % P₂O₅

Hydrogen 1.31 % H 11.71 % H₂O

Sulfur 6.95 % S 17.34 % SO₃

Oxygen 48.52 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

SrAl₃(PO₄)(SO₄)(OH)₆

IMA Status:

Valid Species (Pre-IMA) 1854

Locality:

Horrsjoberg, Varmland, Sweden. Link to MinDat.org Location Data.

Name Origin:

Named for Lars F. Svanberg (1805-1878), Swedish chemist.

Name Pronunciation:

Svanbergite + Pronunciation

Synonym:

ICSD 34345

PDF 39-1361

Svanbergite Image

Images:

Svanbergite

Comments: Milky white dolomite with scattered cinnamon brown crystals of svanbergite to 2 mm across.
Location: Mt. Brussilof Mine, near Radium, British Columbia, Canada. Scale: Picture size 1.5 cm.
© John Veevaert

Svanbergite Crystallography

Axial Ratios:

a:c = 1:2.39628

Cell Dimensions:

a = 6.99, c = 16.75, Z = 3; V = 708.76 Den(Calc)= 3.24

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

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

By Intensity(I/I_o): 2.22(1), 2.98(1), 5.74(0.9),

Forms:

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Forms: ( 0 2 0) ( 0 1 2) ( 1 1 1) ( 0 0 1)

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Crystal Structure:

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Pabst A , American Mineralogist , 32 (1947) p.16-30, Some computations on svanbergite, woodhouseite and alunite, trial C

Physical Properties of Svanbergite

Cleavage:

{0001} Distinct

Color:

Colorless, Yellow, Pink, Reddish brown.

Density:

3.22

Diaphaneity:

Translucent

Habit:

Massive - Granular - Common texture observed in granite and other igneous rock.

Habit:

Pseudo Cubic - Crystals show a cubic outline.

Habit:

Rhombohedral Crystals - Occurs as well-formed crystals showing rhobohedral crystals.

Hardness:

5 - Apatite

Luster:

Vitreous - Adamantine

Streak:

white

Optical Properties of Svanbergite

Gladstone-Dale:

CI meas= 0.005 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.011 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1976,KPDmeas= 0.1988,KC= 0.1998
Ncalc = 1.64 - 1.65

Optical Data:

Uniaxial (+), w=1.631-1.635, e=1.646-1.649, bire=0.0140-0.0150.

Calculated Properties of Svanbergite

Electron Density:

Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Svanbergite =3.22 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Svanbergite= 21.79 barns/electron
U=PE_Svanbergite x rElectron Density= 68.69 barns/cc.

Radioactivity:

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

Svanbergite Classification

Dana Class:

43.04.01.06 (43)Compound Phosphates, etc.

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

(43.04.01)Beudantite Group

43.04.01.01 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3m 3 2/m

43.04.01.02 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m

43.04.01.03 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3m 3 2/m

43.04.01.04 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3m 3 2/m

43.04.01.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3m 3 2/m

43.04.01.06 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3m 3 2/m

43.04.01.07 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3m 3 2/m

43.04.01.08 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3m 3 2/m

43.04.01.09 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3m 3 2/m

43.04.01.10 Gallobeudantite! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m

Strunz Class:

08.BL.05 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1

08.BL.05 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3m 3 2/m

08.BL.05 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m

08.BL.05 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3m 3 2/m

08.BL.05 Gallobeudantite! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m

08.BL.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3m 3 2/m

08.BL.05 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3m 3 2/m

08.BL.05 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3m 3 2/m

08.BL.05 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3m 3 2/m

08.BL.05 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3m 3 2/m

08.BL.05 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3m 3 2/m

Other Svanbergite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Svanbergite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - WWW-MINCRYST

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Print or Cut-and-Paste your Svanbergite Specimen Label here :

Svanbergite

SrAl3(PO4)(SO4)(OH)6
Dana No: 43.04.01.06 Strunz No: 08.BL.05
Locality:

Notes: