[Jewelry making - Article 00543] - Re: [Orchid] Black Marks - help!

[Betsy Marshall]

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    Another thing to consider is the fabric itself- is it a natural
    fiber or synthetic? Is it dry-cleaned or washed? Are there any
    finishing chemicals or sizing left from the construction of the
    garment? Any or all of these could contribute the sulfur compounds we
    associate with silver/black marks. Hoping to help- Betsy


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