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Weloganite (Sr3 Na2Zr(CO3)6·3H2O) D02423 |
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![Image: D2423.jpg](../minerals_jpg/D2423.jpg) |
Crystal system |
hexagonal. |
Habit |
roughly hexagonal crystals in prism form and heavily striated; terminations are pyramidal; stacked plates that enlarge growing outwards. |
Cleavage |
perfect. |
Fracture |
conchoidal. |
Hardness |
3.5 |
Specific Gravity |
3.2 |
Color |
colorless, white, light yellow, green, orange/yellow grading to pink, light green, olive, gray or red. |
Luster |
transparent to opaque with a vitreous luster. |
Streak |
white. |
Distinguishing features |
the stacked plates that seem to enlarge outwards is typical. |
Uses |
of interest to collectors and scientists.
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