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Thortveitite (Var: Befanamite) - Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar (#:MINS9309)

Rare Thortveitite (Var: Befanamite) crystal 1,4 cm tall with good luster and color.

Formula :
(Sc,Y)₂[Si₂O_7_]
System: monoclinic Hardness:6-7 Rarity:very rare
Strunz id:VIII/C.1-10 - SILICATES
Name origin: Named in 1911 by Jakob Grubbe Cock Schetelig in honour of Gunder Olaus Olsen Thortveit (1 October 1872, Thortveit, Iveland, Aust-Agder, Norway - 15 June 1917, Rossås, Iveland, Aust-Agder, Norway), feldspar and mineral exporter from Iveland, Norway.

Specimen weight:3 gr.

Crystal size:8x5x14 mm

Overall size: 8mm x 5 mm x 14 mm

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Thortveitite (Var: Befanamite) - Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar

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