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Eirikite & Polylithionite

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CFL918311

Eirikite & Polylithionite

Fluorescent

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 3 cm
Description

Fluorescent specimen of eirikite crystals associated with polylithionite.  Collected by Gilles Haineault in 1999.

Mineral Data
What's on the rock

Eirikite

Formula: 
KNa6Be2(Si15Al3)O39F2
Strunz: 
9.EH.25
Hardness: 
6.0 - 0.0
Streak: 
White
Type Locality: 
Eudidymite-Epididymite locality, Vesle Arøya, Langesundsfjorden, Larvik, Vestfold, Norway

Polylithionite

Formula: 
KLi2Al(Si4O10)(F,OH)2
Strunz: 
9.EC.20
Hardness: 
2.0 - 3.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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