Rinkite Group, Natrolite (Var: Spreustein), Aegirine

Specimen ID: 9J6-D3J

Mineral(s)
Rinkite Group : AP2MH2MO4(Si2O7)2(XOM)2(XOA)2
Natrolite (Var: Spreustein) : Na2Al2Si3O10·2H2O
Aegirine : NaFe3+Si2O6
Locality
Mindat locality:
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Photo added to mindat.org

A brownish, altered rinkite group mineral in white-red spreustein matrix with blackgreen aegirine. Both mosandrite and rinkite are verified from this locality, and chemical analysis is needed to establish the correct species. FOV ~7,5 cm. Photographed from a loose boulder at the northern Skudesundskjær. (It is forbidden to remove samples from this site which is protected by law). Photo taken 14.05.2006.
Knut Edvard Larsen - 12th April 2012
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