Are tzitzit strings from wool of an animal that was worshipped (avodah zarah) valid?
Synopsis
Wool from an animal worshipped as idolatry is invalid. Flax that was worshipped while growing is valid because the harvesting and processing constitute a change of form.
More in Who Is Obligated in Tzitzit
Must tzitzit strings be spun with explicit verbal declaration of intent (lishmah)?
5 opinions
Are tzitzit strings valid if spun by a non-Jew while a Jew stands over him and instructs him to do it lishmah?
4 opinions across 3 eras
Must tzitzit strings also be twisted/spun-together (shezurah) lishmah?
3 opinions across 3 eras
If tzitzit strings come undone from their twisting and become sixteen strands, are the tzitzit valid?
2 opinions
What is the minimum and standard length requirement for tzitzit strings?
4 opinions
Are tzitzit strings made from low-quality wool (caught on thorns, plucked from the animal, or warp remnants) valid?
2 opinions
Are tzitzit strings made from stolen wool valid?
3 opinions
Are borrowed tzitzit strings valid (do they count as 'his own')?
1 opinions
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If a three-cornered tallit has three tzitzit placed on it, and then a fourth corner is created and tzitzit added, are all four tzitzit valid?
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When a string tears and both ends have insufficient length individually, but combined they have k'dei anivah, is the tzitzit valid?
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When relying on Rabbeinu Tam's standard (two complete strings required), is it preferable to seek replacement tzitzit or may one simply continue wearing the current pair?
Minimum Length for Valid Tzitzit
Are tzitzit made (attached to the garment) by a non-Jew valid?
Who May Attach Tzitzit
Are tzitzit made (attached) by a woman valid?
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Are tzitzit attached without the requisite l'shma (intent for the sake of the mitzvah) valid?
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Discussion
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