Specimen with prismatic crystals of Sorensenite up to 1,0 cm long on matrix.Ex Francesco Bedognè collection.
Formula :
Na4Sn4+Be22+[Si6O18] * 2 H2O
System: monoclinic Hardness:5½ Rarity:very rare
Strunz id:VIII/F.20-05 -
SILICATES
Name origin: Named after Henning Sørensen (b. 1926), mineralogist and petrographer, Professor of Geology, University of Copenhagen (Denmark).
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 Specimen weight:54 gr.
 Crystal size:Up to 1,0 cm long
 Overall size: 40mm x 33 mm x 28 mm
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