Podlesnoite Mineral Data

Podlesnoite Mineral Data
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General Podlesnoite Information

Help on Chemical Formula: Chemical Formula: BaCa2(CO3)2F2
Help on Composition: Composition: Molecular Weight = 379.11 gm
   Barium     36.95 %  Ba   41.25 % BaO
   Sodium      0.06 %  Na    0.08 % Na2O
   Strontium   0.12 %  Sr    0.14 % SrO
   Calcium    20.93 %  Ca   29.29 % CaO
   Iron        0.29 %  Fe    0.38 % FeO
   Carbon      6.30 %  C    23.10 % CO2
   Oxygen     25.32 %  O
   Fluorine   10.02 %  F    10.02 % F
                -   %   F    -4.22 % -O=F2    
             ______        ______ 
             100.00 %      100.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba1.02Ca1.98Fe2+0.02Na0.01Sr0.005C1.99O6F2
Help on Environment: Environment: Found in a small hydrothermal body composed primarily of natrolite. New structure type.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Kirovskii mine, Mt. Kukisvumchorr, Khibiny massif, Kola Peninsula, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named (pronounced "pod-lez'-no-ite") for Aleksandr Semenovich Podlesnyi (born 1948), Russian amateur mineralogist and prominent mineral collector, in recognition of his significant contributions to the mineralogy of the
Help on Synonym: Synonym: IMA2006-033
 

Podlesnoite Image

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Podlesnoite

Comments: Tabular, prismatic podlesnooite crystals up to 2 mm in radiating groups and clusters with double terminations.
Location: Kirovskii Mine, Mt. Kukisvumchorr, Chibiny, Kola Peninsula, Russia. Scale: Crystal size 1 mm.
© Diederik Visser

Podlesnoite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.1383:1:1.6152
Help on Cell Dimensions: Cell Dimensions: a = 12.501, b = 5.846, c = 9.443, Z = 4; V = 690.10 Den(Calc)= 3.65
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mcm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.527(1), 3.397(0.71), 2.313(0.43),1.94(0.4), 1.948(0.39), 2.302(0.22), 5.303(0.21), 2.609(0.2),
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Zubkova N V , Pushcharovsky D Y , Pekov I V , Rabadanov M K , Zeitschrift fur Kristallographie , 222 (2007) p.474-476, The crystal structure of podlesnoite, BaCa2(CO3)2F2, Locality: Kirovskii mine, Khibiny alkaline massif, Kola Peninsula, Russia

 

Physical Properties of Podlesnoite

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Density: Density: 3.62
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luminescence: Luminescence: Fluorescent, Short UV=pinkish orange, Long UV=weak lilac blue.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Podlesnoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.059 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.066 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1576,KPDmeas= 0.1589,KC= 0.1688
Ncalc = 1.61 - 1.62
Help on Optical Data: Optical Data: Biaxial (-), a=1.5, b=1.612, g=1.614, bire=0.1140
 

Calculated Properties of Podlesnoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.35 gm/cc
note: Specific Gravity of Podlesnoite =3.62 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEPodlesnoite = 163.10 barns/electron
U=PEPodlesnoite x rElectron Density= 546.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Podlesnoite is Not Radioactive
 

Podlesnoite Classification
Help on Dana Class: Dana Class: 16a.05.05.02 (16a)Carbonates - Hydroxyl or Halogen
  (16a.05)with miscellaneous formulae
  (16a.05.05)Dana Group
 
16a.05.05.01 Rouvilleite Na3Ca2(CO3)3F Cc,C 2/c Mono
 
16a.05.05.02 Podlesnoite! BaCa2(CO3)2F2 C mcm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 05.BC.15 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BC -With alkali-earth cations
 
05.BC.15 Podlesnoite! BaCa2(CO3)2F2 C mcm 2/m 2/m 2/m
 

Other Podlesnoite Information
Help on References: References: NAME( MinRec, Mar08) PHYS. PROP.(MinRec, Mar08) OPTIC PROP.(MinRec, Mar08)
Help on See Also: See Also: Links to other databases for Podlesnoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Podlesnoite

BaCa2(CO3)2F2
Dana No: 16a.05.05.02 Strunz No: 05.BC.15
Locality:

 

Notes: