alerted him when activity was happening at various quarries and passed that information along to the Group...is an anhydrous boron silicate. The final one, Wenkite, is interesting in that it is a hydrated aluminum...syenitic pegmatite. Norway In Tuften 1 and Tuften 2 Quarries, Tvedalen, Larvik, Vestfold, Norway. References:...locality: Blafjell, Langangen, Telemark and Tuften Quarries, Tvedalen, Larvik, Vestfold, Norway. Structure...Mineralogical Magazine 74, 375-377 (2010). 10 Wenkite (Ba,K)4 (Ca,Na)6 (SO4)3 [(Si,Al)20 O39 (OH)2 . |
Candoglia marble quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy