Smrkovecite Mineral Data

Smrkovecite Mineral Data +

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General Smrkovecite Information

Chemical Formula:

Bi2O(OH)(PO4)

Composition:

Molecular Weight = 545.94 gm

Bismuth 76.56 % Bi 85.35 % Bi₂O₃

Phosphorus 5.67 % P 13.00 % P₂O₅

Hydrogen 0.18 % H 1.65 % H₂O

Oxygen 17.58 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Bi₂O(OH)(PO₄)

IMA Status:

Approved IMA 1993 (Dana # Added)

Locality:

Smrkovec, Slavkovsky Mt, Marianske Lazne, Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named for the locality.

Synonym:

IMA1993-040

Smrkovecite Image

Images:

Smrkovecite

Comments: Waxy smrkovecite botryoids in vuggy quartz.
Location: Smrkovec, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Smrkovecite Crystallography

Axial Ratios:

a:b:c =0.9279:1:1.4503

Cell Dimensions:

a = 6.954, b = 7.494, c = 10.869, Z = 4; beta = 107° V = 541.67 Den(Calc)= 6.69

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 3.254(1), 3.271(0.51), 3.145(0.34),

Physical Properties of Smrkovecite

Color:

White, Yellow.

Diaphaniety:

Transparent to Translucent

Hardness:

4-5 - Fluorite-Apatite

Luster:

Vitreous - Adamantine

Streak:

white

Optical Properties of Smrkovecite

Gladstone-Dale:

CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1594,KC= 0.16

Optical Data:

Biaxial (+), a=2.05, b=2.06, g=2.09, bire=0.0400, 2V(Calc)=62, 2V(Meas)=58-61.

Calculated Properties of Smrkovecite

Electron Density:

r_electron=5.64 gm/cc
note: r_Smrkovecite=6.69 gm/cc.

Fermion Index

Fermion Index = 0.00008
Boson Index = 0.99992

Photoelectric:

PE_Smrkovecite=1,462.55 barns/electron
U=PE_Smrkovecite x r_electron=8,244.26 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Smrkovecite is Not Radioactive

Smrkovecite Classification

Dana Class:

41.11.6.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.11)with miscellaneous formulae

(41.11.6)Dana Group

41.11.6.1 Smrkovecite ! Bi2O(OH)(PO4) P 2₁/c 2/m

41.11.6.2 Hechtsbergite! Bi2O(OH)(VO4) P 2₁/c 2/m

Strunz Class:

VII/B.30-01 VII - Phosphates, Arsenates and Vanadates

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

VII/B.30 - Petitjeanite - Kuznetsovite series

VII/B.30-01 Smrkovecite Bi2O(OH)(PO4) P 2₁/c 2/m

VII/B.30-02 Atelestite Bi8(AsO4)3(OH)5O5 P 2₁/a 2/m

VII/B.30-03 Hechtsbergite! Bi2O(OH)(VO4) P 2₁/c 2/m

VII/B.30-05 Petitjeanite Bi3(PO4)2O(OH) P1 1

VII/B.30-10 Preisingerite Bi3(AsO4)2O(OH) P1 1

VII/B.30-20 Schumacherite Bi3[(V,As,P)O4]2O(OH) P1 1

VII/B.30-30 Kuznetsovite! Hg3Cl(AsO4) P 2₁3 2 3

Other Smrkovecite Information

References:

PHYS. PROP.(Am.Min.,Vol.81,p1283,1996) OPTIC PROP.(Am.Min.,Vol.81,p1283,1996)

See Also:

Links to other databases for Smrkovecite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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

Smrkovecite

Bi2O(OH)(PO4)
Dana No: 41.11.6.1 Strunz No: VII/B.30-01
Locality:

Notes: