...Inna Lykova; Ralph Rowe; Glenn Poirier; Andrew M. McDonald; Gerald Giester ABSTRACT A new mineral, nioboheftetjernite, ideally ScNbO 4 , was found in the Befanamo pegmatite, Analamanga, Madagascar. It occurs as anhedral grains and very crude elongated crystals up to 200 μm in length...

... ). The mineral was found in a museum specimen labeled as “thortveitite” in the collections of the Canadian Museum of Nature (CMNMC 51710). Prior to being in the collection of the CMN, it was part of the French National Museum of Natural History. It is thought to have been collected from the Befanamo pegmatite...

... structure. The type locality is the Heftetjern pegmatite, Tørdal, Telemark, Norway. Nioboheftetjernite , ScNbO 4 , was first described by Lykova et al. ( 2021 ), who also refined its crystal structure. The type locality is the Befanamo pegmatite, Madagascar. Rossovskyite was first described...

.... , Poirier G. , Mcdonald A.M. and Giester G. ( 2021 ) Nioboheftetjernite, ScNbO 4 , a new mineral from the Befanamo pegmatıte, Madagascar . The Canadian...

... pegmatites also have been reported from a number of other localities, notably the Befanamo and Berere districts in Madagascar. Unfortunately, very little is known about the occurrences of thortveitite-bearing pegmatites in Madagascar. They have been described as abyssal-type pegmatites by Ercit (2005) . One...

... the Befanamo Pegmatite, Madagascar . The Canadian Mineralogist , 59 , 445 – 452 , https://doi.org/10.3749/canmin.2000070 Ma C. , Beckett...