Kaolinite

  

 

  

Kaolinite pseudomorph after orthoclase (Carlsbad twinned)

Origin: St. Austell, Cornwall, England

Sample size: 5.5 x 3.75 x 1.3 cm (top/2nd row), 5 x 2.5 x 1 cm (3rd/bottom row)

 

  

Kaolinite pseudomorph after leucite

Origin: Mt. Somma, Vesuvius, Ercolano, Naples, Italy

Ex. George Kunz collection

Sample size: 4.2 x 4.1 x 3.6 cm

 

  

Kaolinite pseudomorph after orthoclase twin (Carlsbad twin)

Origin: St Austell, Cornwall, England

Ex. Marty Lewadny collection

Sample size: 4.5 x 2.6 x 1.1 cm

 

  

Kaolinite pseudomorph after helvite

Origin: Chernyshevsk, Siberia, Russia

Ex. Swoboda and Pinch collections

Sample size: 2.9 x 2.6 x 1.9 cm

 

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Origin: Lettin near Halle, Germany

Sample size: 3.5 x 6 cm

 

Pseudomorph of kaolinite after a 2.5 cm large terminated orthoclase crystal in matrix; Ex. Richard W. Barstow coll.

Origin: Goonbarrow Claywork, St. Austell, Cornwall, U.K.

Sample size: 5 x 6.5 cm

 

Beige massive kaolinite in quartz-feldspar veins

Origin: Roadcut along the old road (pre 1960) between St. Pietro and Castra, Corsica, France 

Sample size: 5 x 7 cm

 

  

Kaolinite at this locality is commerically exploited by the Goonvean China clay Company; Kaolinite is used in the production of a number of products such as ceramics, paper, catalysts, toothpaste and paint.

Origin: Rostowrack Pit, St. Austell, Cornwall, U.K.

Sample size: 9 x 14 x 15 cm (left), 8 cm Glass Vial milled and washed sample (right)

 

Kaolinite pseudomorph after orthoclase single crystal

Origin: Melbur Clay Pit, Cornwall, U.K.

Sample size: 2 x 4 cm

 

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Kaolinite pseudomorph after orthoclase

  

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