![Environments | Free Full-Text | Small Lakes Ecosystems under the Impact of Non-Ferrous Metallurgy (Russia, Murmansk Region) Environments | Free Full-Text | Small Lakes Ecosystems under the Impact of Non-Ferrous Metallurgy (Russia, Murmansk Region)](https://www.mdpi.com/environments/environments-07-00029/article_deploy/html/images/environments-07-00029-g001-550.jpg)
Environments | Free Full-Text | Small Lakes Ecosystems under the Impact of Non-Ferrous Metallurgy (Russia, Murmansk Region)
![Minerals | Free Full-Text | Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3-(Si2O7)4(OH,O,F)12, a New Mineral with a Modular Wallpaper Structure, from the Khibiny Alkaline Massif (Kola Peninsula, Russia) Minerals | Free Full-Text | Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3-(Si2O7)4(OH,O,F)12, a New Mineral with a Modular Wallpaper Structure, from the Khibiny Alkaline Massif (Kola Peninsula, Russia)](https://pub.mdpi-res.com/minerals/minerals-09-00219/article_deploy/html/images/minerals-09-00219-g001.png?1571339527)
Minerals | Free Full-Text | Chirvinskyite, (Na,Ca)13(Fe,Mn,□)2(Ti,Nb)2(Zr,Ti)3-(Si2O7)4(OH,O,F)12, a New Mineral with a Modular Wallpaper Structure, from the Khibiny Alkaline Massif (Kola Peninsula, Russia)
![Geosciences | Free Full-Text | Large Russian Lakes Ladoga, Onega, and Imandra under Strong Pollution and in the Period of Revitalization: A Review Geosciences | Free Full-Text | Large Russian Lakes Ladoga, Onega, and Imandra under Strong Pollution and in the Period of Revitalization: A Review](https://pub.mdpi-res.com/geosciences/geosciences-09-00492/article_deploy/html/images/geosciences-09-00492-g001.png?1577806720)