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Mosandrite, Feldspar, Biotite

Name: Mosandrite, Feldspar, Biotite
SKU: 33567-PT
Availability: OutOfStock

33567-PT Category: _Archives –specimens pending sale or deletion Tag: Type Locality

Låven, Larvik, Vestfold

Norway

Dimensions: 5.1x4.7x2.7 cm

Price: CA

This specimen features reddish-brown, platy, partially altered mosandrite-(Ce), a rare REE-silicate, in paragenesis with white microcline and black biotite mica. Has a very slight orange glow under UV light and originates from its type locality on Låven Island, Norway.

Låven is a world-renowned mineral deposit and a protected geological site where collecting is strictly forbidden. Located south of Stokkøya in Langesundsfjorden, this small island and its surrounding reefs contain many exceptionally rare minerals. The northern part of the islet consists of basalt, while a younger pegmatite intrusion has cut through the basalt, forming the upper and southern sections of the island. This unique geological setting has made Låven an important locality for rare mineral discoveries.

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This specimen comes from the collection of Dr. Peter Tarassoff, a prominent figure in mineralogy, particularly known for his work at Mont Saint-Hilaire (MSH). His diligent collecting and examination efforts have led him to be the first to identify at least 35 species and discover 12 new species, not only at MSH but also at other alkaline localities. Dubbed the "Dean" of Mont Saint-Hilaire collectors, Peter was honoured with the naming of the new species petarasite in 1980. He has authored or co-authored numerous mineralogical articles and has been a member of the Mineralogical Association of Canada since 1964. Additionally, Peter has volunteered at the Redpath Museum for the past 21 years, where he was formally appointed the Honorary Curator of Mineralogy. In recognition of his significant contributions to mineralogy, Peter was awarded the 2017 Pinch Medal by the Mineralogical Association of Canada. All specimens from this collection come with the original P. Tarassoff collection label.

Note: All prices are in Canadian dollars (CAD). International customers are charged in CAD, exchange rate is calculated automatically by your bank/paypal upon checkout.

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