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Burbankite ((Na,Ca)3(Sr,Ba,Ce)3(CO3)5) NS2392A.04 |
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| Crystal system | hexagonal. |
| Habit | hexagonal or dihexagonal prisms terminated by hexagonal pyramids. Also as fibrous masses and spherical aggregates. |
| Cleavage | distinct to imperfect. |
| Fracture | none. |
| Hardness | 3.5 |
| Specific Gravity | 3 |
| Color | gray/yellow or yellow. |
| Luster | transparent with a dull or silky luster. |
| Streak | none. |
| Distinguishing features | crystals often have a white, opaque shell that exfoliates to expose the transparent yellow core. |
| Uses | of interest to collectors and researchers. |
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