A specimen of massive maroon coloured althausite, partly altered to apatite. Althausite may alter to apatite along the cleavage planes. This is especially typical for the althausite found at the type locality and Overntjern locality. This rare magnesium phosphate was first described from serpentine-magnesite deposits in Norway. Specimen acquired from David Shannon and from the Knut Larson collection.

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A true classic Norwegian classic. A very sharp hydroxylapatite specimen, very rich in faces and with a white color. The crystal is complete all-around and perfectly disposed on the matrix. These specimens are very appreciated by collectors due to nowadays is difficult find them on the market.