český název | anglický název | vzorec | tvrdost | hustota | kryst. soustava | |
---|---|---|---|---|---|---|
Salmiak | Sal-Amoniac | NH4Cl | 1.0 - 2.0 | 1.5 | krychlová | |
Tinkal | Tincalconite | Na2[B4O5(OH)4].8H2O | 2.0 - 2.5 | 1.7 - 1.8 | jednoklonná | |
Borax | Borax | Na2[B4O5(OH)4]*8H2O | 2.0 - 2.5 | 1.7 - 1.8 | jednoklonná | |
Gaylussit | Gaylussite | Na2Ca(CO3)2.5H2O | 2.0 - 3.0 | 1.9 | jednoklonná | |
Chabazit | Chabazite | (Ca,Na2)[Al2Si4O12].6H2O | 4.0 - 5.0 | 2.0 - 2.1 | trigonální | |
Grafit | Graphite | C | 1.0 - 2.0 | 2.0 - 2.2 | šesterečná | |
Stilbit | Stilbite | Ca[Al2Si7O18].7H2O | 3.5 - 4.0 | 2.1 - 2.2 | jednoklonná | |
Halit | Halite | NaCl | 2.0 | 2.1 - 2.2 | krychlová | |
Phillipsit | Phillipsite | KCa[Al3Si5O16].6H2O | 4.0 - 4.5 | 2.1 - 2.2 | jednoklonná | |
Heulandit | Heulandite | Ca[Al2Si7O18].6H2O | 3.5 - 4.0 | 2.1 - 2.2 | jednoklonná | |
Whewellit | Whewellite | Ca[C2O4].H2O | 2.5 | 2.2 | jednoklonná | |
Hydromagnezit | Hydromagnesite | Mg5[OH|(CO3)2]2.4H2O | 3.5 | 2.2 | jednoklonná | |
Palygorskit | Palygorskite | (Mg,Al)2[OH|Si4O10].4H2O | 1.0 - 2.0 | 2.1 - 2.3 | jednoklonná | |
Opál | Opal | SiO2.nH2O | 5.5 - 6.5 | 1.9 - 2.5 | amorfní | |
Akantit | Acanthite | Ag2S | 7.0 - 7.4 | 2.0 - 2.5 | jednoklonná |