General Svabite Information
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Chemical Formula: |
Ca5(AsO4)3F |
Composition: |
Molecular Weight = 636.15 gm |
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Calcium 31.50 % Ca 44.08 % CaO |
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Arsenic 35.33 % As 54.20 % As2O5 |
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Oxygen 30.18 % O |
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Fluorine 2.99 % F 2.99 % F |
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- % F -1.26 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ca5(AsO4)3F |
Environment: |
Contact metamorphic and metasomatized rocks. |
IMA Status: |
Valid Species (Pre-IMA) 1891 |
Locality: |
Harsig mine, Pajsberg, Varmland, Sweden. Link to MinDat.org Location Data. |
Name Origin: |
Named for Anton Svab (1703-1768), Swedish mining official. |
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Svabite Image |
Images:
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Svabite Crystallography
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Axial Ratios: |
a:c = 1:0.70974 |
Cell Dimensions: |
a = 9.75, c = 6.92, Z = 2; V = 569.70 Den(Calc)= 3.71 |
Crystal System: |
Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 63/m |
X Ray Diffraction: |
By Intensity(I/Io): 2.91(1), 2.82(0.9), 2.84(0.9), |
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Physical Properties of Svabite
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Cleavage: |
[1010] Indistinct |
Color: |
Colorless, Gray, Gray green, Yellowish white. |
Density: |
3.5 - 3.8, Average = 3.65 |
Diaphaniety: |
Transparent |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Habit: |
Crystalline - Poor - Occurs primarily as crudely formed crystals. |
Habit: |
Hexagonal - Six-sided crystal shape in cross-section or habit. |
Hardness: |
4-5 - Fluorite-Apatite |
Luminescence: |
Fluorescent and cathodoluminescent, Short UV=red orange. |
Luster: |
Vitreous - Resinous |
Magnetism: |
Nonmagnetic |
Streak: |
white |
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Optical Properties of Svabite
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Gladstone-Dale: |
CI meas= -0.058 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.041 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1892,KPDmeas= 0.1923,KC= 0.1818 |
Optical Data: |
Uniaxial (-), e=1.698, w=1.706, bire=0.0080. |
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Calculated Properties of Svabite
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Electron Density: |
relectron=3.55 gm/cc note: rSvabite =3.71 gm/cc. |
Fermion Index |
Fermion Index = 0.00057 Boson Index = 0.99943 |
Photoelectric: |
PESvabite = 27.97 barns/electron U=PESvabite x relectron= 99.19 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Svabite is Not Radioactive |
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Svabite Classification
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Dana Class: |
41.8.3.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.8)where (A)5 (XO4)3 Zq |
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(41.8.3)Dana Group |
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41.8.3.1 Svabite Ca5(AsO4)3F P 63/m 6/m |
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41.8.3.2 Turneaureite Ca5[(As,P)O4]3Cl P 63/m 6/m |
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41.8.3.3 Johnbaumite Ca5(AsO4)3(OH) P 63/m,P 63 Hex |
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41.8.3.4 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 63/m 6/m |
Strunz Class: |
VII/B.39-60 VII - Phosphates, Arsenates and Vanadates |
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VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb |
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VII/B.39 - Apatite - Pyromorphite group |
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VII/B.39-10 Fluorapatite Ca5(PO4)3F P 63/m 6/m |
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VII/B.39-20 Chlorapatite Ca5(PO4)3Cl P 63/m 6/m |
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VII/B.39-30 Hydroxylapatite Ca5(PO4)3(OH) P 63/m 6/m |
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VII/B.39-40 Carbonate-hydroxylapatite Ca5(PO4,CO3)3(OH) P 63/m 6/m |
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VII/B.39-50 Carbonate-fluorapatite Ca5(PO4,CO3)3F P 63/m 6/m |
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VII/B.39-60 Svabite Ca5(AsO4)3F P 63/m 6/m |
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VII/B.39-70 Turneaureite Ca5[(As,P)O4]3Cl P 63/m 6/m |
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VII/B.39-80 Johnbaumite Ca5(AsO4)3(OH) P 63/m,P 63 Hex |
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VII/B.39-90 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 63/m 6/m |
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VII/B.39-95 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 63 6 |
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VII/B.39-100 Strontium-apatite (Sr,Ca)5(PO4)3(F,OH) P 63/m 6/m |
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VII/B.39-110 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3 |
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VII/B.39-115 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3 |
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VII/B.39-117 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3 |
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VII/B.39-120 Alforsite Ba5(PO4)3Cl P 63/m 6/m |
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VII/B.39-130 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 63/m,P 63 Hex |
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VII/B.39-140 Hedyphane Ca2Pb3(AsO4)3Cl P 63/m 6/m |
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VII/B.39-150 Pyromorphite Pb5(PO4)3Cl P 63/m 6/m |
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VII/B.39-160 Mimetite Pb5(AsO4)3Cl P 63/m 6/m |
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VII/B.39-165 Clinomimetite Pb5(AsO4)3Cl P 21/b 2/m |
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VII/B.39-170 Vanadinite Pb5(VO4)3Cl P 63/m 6/m |
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Other Svabite Information
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References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Svabite :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 - EUROmin Project
4 - Franklin Minerals(Palache)
5 -Google Images
6 -Google Scholar
7 -Handbook of Mineralogy (UofA)
8 -MinDAT
9 -MinMax(Deutsch)
10 -MinMax(English)
11 - Mineral and Gemstone Kingdom
12 -Mineralienatlas (Deutsch)
13 -QUT Mineral Atlas
14 - Scandinavian mineral gallery
15 - WWW-MINCRYST
16 -École des Mines de Paris
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Print or Cut-and-Paste your Svabite Specimen Label here :
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Svabite
Ca5(AsO4)3F
Dana No: 41.8.3.1 Strunz No: VII/B.39-60
Locality:
Notes:
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