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| grezzo | |||
| non trattato | |||
| English thesaurus | |||
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| Refers to a gemstone that has received absolutely no treatments. It has not undergone either chemical or physical changes and the color of the stone is completely natural. | |||
| a | |||
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untreated : 8 phrases in 6 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Environment | 2 |
| General | 2 |
| Medical | 1 |
| Metallurgy | 1 |