de gemmologie (n) |
― IsA ⟶
Weight: 1.0
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Source: German Wiktionary | ||
de kristallographie (n) |
― IsA ⟶
Weight: 1.0
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Source: German Wiktionary | ||
de mineralogie |
― IsA ⟶
Weight: 1.0
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Source: German Wiktionary |