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Gyrolite from
Ljósá, Eysturoy Island, Faroe Islands, Denmark

Formula:NaCa16Si23AlO60(OH)8 · 14H2O
Validity:Believed Valid
References:Betz, V. (1981): Famous mineral localities: Zeolites from Iceland and the Faeroes. Mineralogical Record, 12, 5-26.; Tschernich, R. W. (1992): Zeolites of the world. Geoscience Press, Phoenix, Arizona. p.53
Associated Minerals Based on Photo Data:
Thomsonite-Ca4 photos of Gyrolite associated with Thomsonite-Ca at this locality.
Apophyllite3 photos of Gyrolite associated with Apophyllite at this locality.
Mineral Data:Click here to view Gyrolite data
Locality Data:Click here to view Ljósá, Eysturoy Island, Faroe Islands, Denmark
Nearest other occurrences of Gyrolite
4.9km (3.1 miles) A Nesvik Quarry, Streymoy Island, Faroe Islands, Denmark
7.6km (4.7 miles) B Streymnes, Streymoy Island, Faroe Islands, Denmark
13.8km (8.6 miles) C Vestmanna 1 borehole, Vestmanna, Streymoy island, Faroe Islands, Denmark
15.5km (9.6 miles) D Leynavatn, Streymoy Island, Faroe Islands, Denmark
22.8km (14.2 miles) E Hustoft Quarry, Mt Hæddin, Lambareiđi, Eysturoy Island, Faroe Islands, Denmark
23.2km (14.4 miles) F Strendur, Eysturoy Island, Faroe Islands, Denmark
24.0km (14.9 miles) G Sandavágur, Vágar Island, Faroe Islands, Denmark
Mineral and/or Locality  
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