Nice fresh twinned crystals specimen of rare Epididymite up to 2,5 cm long with Argyrine xls in association.The specimen is floater and it is a really representative and a rare specimen of the specie!
Formula :
Na[OH/BeSi3O7]
System: orthorhombic Hardness:6-7 Rarity:rare
Strunz id:VIII/G.4-20 -
SILICATES
Name origin: The prefix "epi" from the Greek for near, referring to the dimorphous relation with eudidymite.
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 Specimen weight:12 gr.
 Crystal size:Up to 2,5 cm long
 Overall size: 13mm x 16 mm x 29 mm
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