5.třída - Nitrates, Carbonates 5th class - Nitrates, Carbonates (after Bernard et al. borates form an individual class). In these minerals the metallic element is accompanied by NO3 (nitrates) or CO2 (carbonates). The categorization of this class is based on the presence of additional anion (OH) or water H2O. Rare sulphites with SO3 belong to this class.
In the Virtual Museum there are total 249 samples