Table 1.
Time required to crystallize amorphous silicates
| Annealing temperature (K) | Time to crystallization |
|---|---|
| 1,100 | 1.9 s |
| 1,050 | 1.13 h |
| 1,000 | 220 days |
| 950 | 6976 years |
| 900 | 225 million years |
| 850 | 2,441 billion years |
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