| NOUN | substance | pollucite | a rare mineral that is an important source of cesium |
|---|
| Meaning | A rare mineral that is an important source of cesium. | |
|---|---|---|
| Broader | mineral | Solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
| Substances | cesium, caesium, Cs, atomic number 55 | A soft silver-white ductile metallic element (liquid / liquid at normal temperatures) |
| rubidium, Rb, atomic number 37 | A soft silvery metallic element of the alkali metal group | |
| Spanish | polucita | |
| Catalan | pol·lucita | |
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