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Podlesnoite

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About PodlesnoiteHide

Formula:
BaCa2(CO3)2F2
Colour:
Colorless, white
Lustre:
Vitreous
Hardness:
3½ - 4
Specific Gravity:
3.62
Crystal System:
Orthorhombic
Name:
Named in honor of Aleksandr Semenovich Podlesnyi (Александра Семеновича Подлесного) (28 November 1948, Zabolottsi, Ivanichesky district, Volyn region, Ukraine, USSR – 13 October 2010), Russian amateur mineralogist and collector.
This page provides mineralogical data about Podlesnoite.


Classification of PodlesnoiteHide

Approved
Approval Year:
2006
5.BC.15

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

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

Physical Properties of PodlesnoiteHide

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

Optical Data of PodlesnoiteHide

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

Formula:
BaCa2(CO3)2F2
IMA Formula:
Ca2Ba(CO3)2F2

Crystallography of PodlesnoiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmcm
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 V:
690.1 ų
Z:
4
Morphology:
Prismatic crystals, radial spherulites

X-Ray Powder DiffractionHide

Powder Diffraction Data:
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)

Type Occurrence of PodlesnoiteHide

Synonyms of PodlesnoiteHide

Related Minerals - Nickel-Strunz GroupingHide

5.BC.05BrenkiteCa2(CO3)F2Orth.
5.BC.10RouvilleiteNa3(Ca,Mn,Fe)2(CO3)3FMon. 2/m : B2/b

Fluorescence of PodlesnoiteHide

Type I - pinkish orange in SW
Type II - bluish lilac SW, lilac-blue LW

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for PodlesnoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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., Zubkova, N.V., Chukanov, N.V., Pushcharovsky, D.Y., Kononkova, N.N., Zadov, A.E. (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 PodlesnoiteHide

Localities for PodlesnoiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Kukisvumchorr Mt
Mineralogical Record, 39, 137-148(2008)
Mineral and/or Locality  
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