Penkvilksite

  

 

  

Origin: Lovozero, Kola Peninsula, Russia

Sample size: 2 x 2.7 cm specimen. Massive white clusters of penkvilksite. Maximum cluster size approximately 9 mm x 18 mm (top), 2 x 3.7 cm specimen. Massive white cluster of penkvilksite. Cluster is about 1.5 x 2.5 cm wide (bottom)

 

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White massive penkvilksite with minor raite

White powdery penkvilksite with raite and natrolite

Origin: Yubileinaya Pegmatite Lode, Mr. Karnasurt, Lovozero, Kola, Russia

Sample size: 1.5 x 1.5 cm (top), 3.5 x 5.5 cm (bottom)

 

White massive lumps of tiny crystals intergrown with golden brown raite crystals
Origin: Mt. Karnasurt, Lovozero, Kola, Russia

Sample size: 2 x 2 cm

 

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White pulverent aggregates to 8 mm across with golden, fine acicular bunches of radial raite crystals to 1 mm.

Origin: Yubileinaya pegmatite, Karnasurt Mt, Lovozero Massif, Kola Peninsula, Russia (type locality)

Ex. Kidwell collection

Sample size: 6 x 4 x 4 cm

 

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