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Gugiaite from
Thorstein Quarry, Brunlanes, Larvik, Vestfold, Norway

Locality type:Quarry
Classification
Species:Gugiaite
Formula:Ca2Be(Si2O7)
Comments:Collected in the early 1980s and identified as leucophanite, but recent studies at the Oslo University Mineralogical Museum have identified the mineral as gugiaite. But hydroxyl was not determined and as with other previously analyzed gugiaites, it could be the newly described mineral hydroxylgugiaite, Knut Eldjarn comment in caption on photo-58820, mars 2017.

See also messageboard at https://www.mindat.org/mesg-7-406626.html
Confirmation
Validity:Unconfirmed/Questioned
References
References:Identified on a personally collected specimen (Knut Eldjarn) in my collection by Henrik Friis at the Oslo University Mineralogical Museum des. 2013, see Knut Eldjarn photo, Photo id 58820
Associated Minerals Based on Photo Data:
Analcime1 photo of Gugiaite associated with Analcime at this locality.
Aegirine1 photo of Gugiaite associated with Aegirine at this locality.
Data
Mineral Data:Click here to view Gugiaite data
Locality Data:Click here to view Thorstein Quarry, Brunlanes, Larvik, Vestfold, Norway
Photo GalleryView Gallery (2 photos)
Nearest other occurrences of Gugiaite
5.3km (3.3 miles) Saga 1 Quarry, Sagåsen, Auenslandet, Porsgrunn, Telemark, Norway
9.5km (5.9 miles) Blåfjell (E18 roadcuts), Kokkersvold E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
 
Mineral and/or Locality  
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