Pink prismatic crystals of Sorensenite 1,6 cm tall .
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:3 gr.
 Crystal size:i,6 cm tall
 Overall size: 14mm x 5 mm x 16 mm
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