Podlesnoite Mineral Data (original) (raw)

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

Click Here for Larger Podlesnoite Image in a New Browser Window Images:

Click Here for Larger Podlesnoite Image 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),

Click Here for Large Podlesnoite Structure Window Crystal Structure:

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Help on Above

| | 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 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Ask about Podlesnoite here :
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Print or Cut-and-Paste your Podlesnoite Specimen Label here :

Podlesnoite

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

Notes: