Axel Emmermann MKAJan 2, 2017Horned natrolite?Locality: Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada.Obviously this natrolite contains some uranyl, which makes it light up green under SW.The crystals are about 30 mm high.Source: Fluorescent Minerals Workgroup MKA
Locality: Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada.Obviously this natrolite contains some uranyl, which makes it light up green under SW.The crystals are about 30 mm high.Source: Fluorescent Minerals Workgroup MKA