Samarskite-(Y)

  

Origin: Lyons Peak, San Diego County, California, U.S.A.

Sample size: 4.5 x 3.5 x 2.75 cm

 

 

  

Ex. Bruce Jarnot collection

Origin: Spinelli Quarry, South Glastonbury, Hartford County, Connecticut, U.S.A.

Sample size: 2.5 x 2 x 1.5 cm (top), 3.1 x 2.7 x 2.5 cm (bottom)

 

     

Origin: Antananarivo Province, Madgascar

Ex. Marilyn Dodge collection

Sample size: 3.4 x 1.2 x 1.0 cm

 

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Black crystals in feldspar-biotite matrix

Origin: Ilmeny, Ural, Russia

Sample size: thumbnail

 

Variety ampangabeite

Origin: Ampangabe, Madagascar

Ex. collection Si & Ann Frazier

Sample size: 4 x 5 cm

 

Black tabular crystals with magnetite in sanidinite

Origin: Mendig, Laacher See, Eifel, Germany

Sample size: micromount

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A black crystal of Samarskite. Ex collection Gustav Rose 1832, found on his travel together with Alexander von Humboldt through the Ural Mts.

Origin: Miass, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia

Crystal size: 8 mm

Owner: Thomas Witzke

 

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