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      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.

kalcit

No. of sample:	g6215
Mineral:	kalcit, HOR
Description:	jeden kus /9x7cm/
Localization:	Kamenné Žehrovice u Kladna,
Origin:	coll.V.Šafránek
Author:
Comment:	drúza tabulkovitých /ploše klencových/krystalů důl gen. Svoboda, nález 1958

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