| ID: | 112659 |
| Title: | en.wikipedia.org - http://en.wikipedia.org/wiki/Nacre |
| Pagerank: | 5 |
| Description: | Nacre, also known as mother of pearl, is an organic-inorganic composite material produced by some mollusks as an inner shell layer. It is strong, resilient, ... |
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| Date Added: | |
| Number Hits: | 0 |