Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Bertrandite at Håkestad Quarry, Håkestad, Tjølling, Larvik, Vestfold, Norway

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 294Ma - 294Ma at this locality

Mineralization age (prioritized) (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Be-00062	294	294		Gugiaite	Be	146895	Thorstein Quarry, Brunlanes, Larvik, Vestfold, Norway	Larsen (2010)	BOOK_LHGPM_2010