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Podlesnoite

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Kirovskii apatite mine (Kirovsky Mine; Kirovskii Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Paul Bongaerts

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Formula:
BaCa
 
2
(CO
 
3
)
 
2
F
 
2
System:OrthorhombicColour:Colorless, white
Hardness:3½ - 4
Name:For Aleksandr Semenovich Podlesnyi (b1948), Russian amateur mineralogist and collector.
This page provides mineralogical data about Podlesnoite.

Classification of Podlesnoite

IMA status:Approved 2006
Strunz 8th edition ID:5/C.0-
Nickel-Strunz 10th (pending) edition ID:5.BC.15

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
C : With alkali-earth cations
Dana 8th edition ID:16a.2.5.1

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)3(XO3)2Zq
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Type Occurrence of Podlesnoite

Type Locality:Kirovskii apatite mine (Kirovsky Mine; Kirovskii Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:2006

Physical Properties of Podlesnoite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colorless, white
Streak:White
Hardness (Mohs):3½ - 4
Tenacity:Brittle
Cleavage:None Observed
Fracture:Conchoidal
Density (measured):3.62(1) g/cm3
Density (calculated):3.60 g/cm3

Crystallography of Podlesnoite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Cmcm {C2/m 2/c 21/m}
Cell Parameters:a = 12.501(8) Å, b = 5.846(3) Å, c = 9.443(5) Å
Ratio:a:b:c = 2.138 : 1 : 1.615
Unit Cell Volume:V 690.1 ų
Z:4
Morphology:Prismatic crystals, radial spherulites
X-Ray Powder Diffraction:
d-spacingIntensity
5.303 (21)
3.527 (100)
3.397 (71)
2.609 (20)
2.313 (43)
2.302 (22)
1.948 (39)
1.940 (40)

Optical Data of Podlesnoite

Type:Biaxial (-)
RI values: nα = 1.500 nβ = 1.612(2) nγ = 1.614(2)
2V:Measured: 10° (5), Calculated: 14°
Maximum Birefringence:δ = 0.114

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Pleochroism:Non-pleochroic

Chemical Properties of Podlesnoite

Formula:
BaCa
 
2
(CO
 
3
)
 
2
F
 
2
All elements listed in formula:Ba, C, Ca, F, O

Relationship of Podlesnoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
5.BC.05Brenkite
Ca
 
2
(CO
 
3
)F
 
2
5.BC.10Rouvilleite
Na
 
3
(Ca,Mn,Fe)
 
2
(CO
 
3
)
 
3
F

Other Names for Podlesnoite

Synonyms:
IMA2006-033
Other Languages:

Other Information

Fluorescence in UV light:Type I - pinkish orange in SW
Type II - bluish lilac SW, lilac-blue LW
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Podlesnoite

Reference List:

- +
Zubkova, N.V., Pushcharovsky, D.Yu., Pekov, I.V., Rabadanov, M.Kh. (2007): The crystal structure of podlesnoite, BaCa2(CO3)2F2. Zeitschrift für Kristallographie, 222, 474-476.

Pekov I.V., N.V. Zubkova, N.V. Chukanov, D.Y. Pushcharovsky, N.N. Kononkova and A.E. Zadov (2008), Podlesnoite BaCa2(CO3)2F2 A new mineral species from the Kirovskii Mine, Khibiny, Kola Penninsula, Russia. Mineralogical Record, 39, 137-148.

Internet Links for Podlesnoite

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    • Localities for Podlesnoite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Kukisvumchorr Mt
    		Mineralogical Record, 39, 137-148(2008)
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