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Pavel Kartashov's Mindat Home Page

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Me & my Pyrochlores

Pavel M. Kartashov Mindat Home Page

Registered member joined prior to 15th Oct 2005 (unrecorded)
Member of the Management Group

Pavel Kartashov has uploaded:
3328 Mineral Photos
130 Locality Photos
269 Other Photos
Senior research worker of Institute of Geology of Ore Deposits (IGEM RAN) Moscow. Specialization - mineralogy and geochemistry of heavy lithophylic rare elements, mineralogy of alkaline granitoids, thermal analysis, Lunar mineralogy. Author of more than 80 scientific articles and 1 monography. Coauthor of descriptions of some new mineral species - vergasovaite, ferriallanite-(Ce), paravinogradovite, caryochroite, arsenoflorencite-(La), magnesioneptunite, fluorocronite, yttriaite-(Y), tungsten, cordylite-(La), aklimaite, grigorievite, koksharovite, ziminaite.
Systematic collector since 1972.


Favourite Photos

190-XXCBottinoite : Ni2+[Sb(OH)6]2·6H2O, Polydymite : Ni2+Ni3+2S4

Nueva Virginia Mine, Lanzuela, Teruel, Aragón, Spain

Largest Crystal Size: 0.9 mm

Bluegreen bottinoite crystal on dolomite with tiny polydymite crystals. EDX confirmed.
Picture width 1.2 mm. Collection and photograph Christian Rewitzer Photo of the Day - 1st Jul 2015
Copyright: © Christian Rewitzer      Photo ID: 688248     Uploaded by: Christian Rewitzer   View Count: 507   Approval status: Public galleries    Type: Photo - 2500 x 2300 pixels (5.8 Mpix)

P90-PA1Quartz : SiO2

Weiken quarry, Kallenhardt, Rüthen, Sauerland, North Rhine-Westphalia, Germany

Field of View: 5 mm

Cube-like quartz crystals.
See Mineralien-Magazin issue 8, 1982, for details. Photo of the Day - 4th Mar 2015
Copyright: © Fred Leenheer      Photo ID: 649620     Uploaded by: Fred Leenheer   View Count: 817   Approval status: Public galleries    Type: Photo - 1739 x 1281 pixels (2.2 Mpix)

Y3C-2K4Pyrochlore Group : A2Nb2(O,OH)6Z, Zircon (Var: Cyrtolite) : Zr[(SiO4),(OH)4]

Multiple photos available
St Peters Dome, Cheyenne District, El Paso Co., Colorado, USA

Dimensions: 6 cm x 4 cm x 4 cm

Octahedral crystal associated with reddish-brown cyrtolite crystals; 6 x 4 x 4 cm; 105.5 grams; This could be one of the largest pyrochlores from Colorado. I purchased this one at the Colorado School of Mines Geological Museum. It was erroneously labeled as monazite. The specific gravity of this piece came in at 4.3 and it registered 2000 CPM on a Radalert 100. A rare combination specimen! Collection of Rudy Bolona.
Photo ID: 544853     Uploaded by: Rudy Bolona   View Count: 624   Approval status: Public galleries    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

T4D-DLNPyrolusite : MnO2

Horní Blatná District, Jáchymov District, Krušné Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic

Nice pyrolusite balls. FOV 5mm Collection Z.Dvořák, photo P.Fuchs Photo of the Day - 3rd Jun 2013
Copyright: © Petr Fuchs      Photo ID: 521819     Uploaded by: Petr Fuchs   View Count: 1381   Approval status: Public galleries    Type: Photo - 800 x 542 pixels (0.4 Mpix)

WRU-1Q1Chalcedony (Var: Agate) : SiO2, Copper : Cu

Wolverine No. 2 shaft, Wolverine Mine, Wolverine, Houghton Co., Michigan, USA

I polished the entire agate with the exception of the "eye". The unpolished area (center of the "eye") is ~0.2 cm. Photo of the Day - 6th Jun 2013
Photo ID: 503060     Uploaded by: John Truax   View Count: 1179   Approval status: User gallery only    Type: Photo - 2048 x 1536 pixels (3.1 Mpix)

N52-PCKHingganite-(Y) : (Y,REE,Ca)2(□,Fe2+)Be2[SiO4]2(OH)2, Quartz : SiO2

Zagi Mountain, Hameed Abad Kafoor Dheri, Peshawar, Khyber Pakhtunkhwa, Pakistan

A 1.2 cm specimen of a 6 mm Hingganite-Y crystal on Quartz. Ex Obodda collection. Illustrated in Minrec vol. 43 #2. C. Stefano specimen #3976.
Copyright: © C. Stefano '12      Photo ID: 446240     Uploaded by: Chris Stefano   View Count: 653   Approval status: Public galleries    Type: Photo - 1347 x 1739 pixels (2.3 Mpix)

LJ0-JWPRabbittite : Ca3Mg3(UO2)2(CO3)6(OH)4·18H2O

Multiple photos available
Belorechenskoe deposit, Adygea Republic, Northern Caucasus Region, Russia

Size of crystal aggregates is up to 2 mm. EDS and XRD confirmed by I.Pekov and A.Kasatkin. Collected from a mine wall, in may 2011. This specimen is the first find of rabbittite in Russia. Specimen was collected by Ekaterina Kirillova, and is now in her collection. Photo of the Day - 21st Jan 2012
Photo ID: 417920     Uploaded by: Pavel Martynov   View Count: 2829   Approval status: Public galleries    Type: Photo - 1000 x 666 pixels (0.7 Mpix)

19Y-P32Senaite : Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38

Bjørndalen Quarry, Tvedalen, Larvik, Vestfold, Norway

A 4 mm penetration twin of senaite crystals in matrix. The specimen was collected by the Norwegian collector and scientist Alf Olav Larsen in April 1989. Senaite has not been found in any other pegmatites in the Langesundsfjord area. Collection and photo: OT. Ljøstad.
Copyright: © OT. Ljøstad      Photo ID: 351274     Uploaded by: OT. Ljøstad   View Count: 1070   Approval status: Public galleries    Type: Photo - 800 x 709 pixels (0.6 Mpix)

96H-HC3Dickthomssenite : Mg(V2O6)·7H2O

Vanadium Queen Mine, La Sal Creek Canyon, La Sal District, San Juan Co., Utah, USA

radiating group of pale green crystals of Dickthomssenite up to 0.96 mm

Collection Domenico Preite

photo Matteo Chinellato Photo of the Day - 4th Oct 2010
Copyright: © D. Preite - M.C.      Photo ID: 336135     Uploaded by: Domenico Preite   View Count: 1873   Approval status: Public galleries    Type: Photo - 800 x 534 pixels (0.4 Mpix)

MC3-7K5Hellandite-(Y) : (Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2

Multiple photos available
Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

Dimensions: 4.5 cm x 2 cm

Part of the type specimen of hellandite-(Y). The crystal measures 4,5 x 2 cm.
The specimen was bought from Claus Martinsen by W.C.Brøgger in 1903. Brøgger recognized it as a new mineral species and published a preliminary description with the first crystal drawing in 1903.
Natural History Museum, Oslo collection, inventory nr 21846. See child photos for more details. Photo of the Day - 21st May 2014
Copyright: © K.E.Larsen      Photo ID: 333528     Uploaded by: Knut Edvard Larsen   View Count: 821   Approval status: Public galleries    Type: Photo - 1024 x 768 pixels (0.8 Mpix)
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