Questions tagged [techeles]

techeilet, techeles; a blue wool put to various Jewish uses

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29 votes
13 answers
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Why is techeles not universally accepted?

The Machon Ptil Tekhelet has (to my mind) some pretty compelling arguments as to why the Murex Trunculus is very likely the genuine chilazon from which techeles (blue dye) for the mitzva of tzitzis is ...
Shaul Behr's user avatar
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25 votes
9 answers
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What is the downside to wearing techeiles?

There are many Compelling arguments to support Techelet, although it's not yet universally accepted. A friend of mine bought P'til Tekhelet Murex techeiles, and went to his rabbi (who I know and ...
MTL's user avatar
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6 votes
4 answers
1k views

Compelling arguments to support Techelet

I know a lot of arguments against the wearing Techelet from my research etc. and I would to now hear some arguments for the Techelet. Does anyone have any arguments that support the Techelet?
Hacham Gabriel's user avatar
11 votes
4 answers
2k views

Fake Techelet: invalidating the entire Tzitzit?

Let's say I use the pretty much disproven Techelet (Radzyner) : is my Tzitzit completely Pasul? I think according to the Arizal it isn't. Does anyone disagree?
Hacham Gabriel's user avatar
6 votes
2 answers
3k views

List of Techelet Wearers

I was looking online for a list of people famous for deciding or influencing halacha, who currently wear Ptil Techelet Techelet ("Murex") However I could not find one. Does such a list exist? If not,...
avi's user avatar
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10 votes
3 answers
960 views

Why is it Ok to have tzizit without techelet?

The Mishna in Menachos 4:1 says that the mitzvah of the white tzizit is not gone if there is no techelet, and the mitzvah of the techelet is not gone if there is no white. That seems a straight ...
avi's user avatar
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5 votes
4 answers
581 views

Tcheiles on Shabbos

In the response to List of Techelet Wearers it mentions a few Gedolim that wear Tzitzis of Techeiles on Shabbos only. Why would there be a difference between Shabbos and the rest of the week?
Gershon Gold's user avatar
5 votes
2 answers
523 views

May an Ashkenazi wear Yemenite Tzitzith?

Many Ashkenazim now wear Tzitzith with Techeleth tied in the tradition of the RaMBa"M. However, my understanding is that Ashkenazim minimally require a double-knot at the base of the tassle in order ...
Seth J's user avatar
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4 votes
4 answers
1k views

Sefardic contemporaries for Techelet?

Are there any Sefardic Poskim today that have written a book and discuss the Techelet? If so, can you bring one that is FOR the Techelet?
Hacham Gabriel's user avatar
2 votes
5 answers
965 views

Arguments FOR Radzyner Techeiles

Mostly everyone agrees that the organization Ptil Tekhelet most likely uses the real techeiles and that Radzyner techeiles is unfortunately not the real deal. But I'm asking what are the arguments ...
ezra's user avatar
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1 vote
1 answer
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Techeilet – Shittat haBa'alei Tosefot

Per Ptil Tekhelet, the shitta of the Ba'alei Tosefot (following Rashi) is that half of the strings in the tzitzit are to be made of techeilet, as opposed to 1/4 (rov haposkim) or 1/8 (Rambam). However,...
Noach MiFrankfurt's user avatar
3 votes
2 answers
253 views

Historical evidence that blue snail dye was produced in ancient times

http://en.wikipedia.org/wiki/Tyrian_purple and http://en.wikipedia.org/wiki/Iles_Purpuraires show that blue dye was produced from the murex in ancient times in these locations. But on Ptil Tekhelet's ...
Abba's user avatar
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3 votes
5 answers
681 views

Where can I get dark blue Techelet for my tzizit and talit?

I want to buy some techelet and white tzizit. I want the techelet to match the color in this picture and to be made by Ptil Tekhelet foundation. However, when I try to contact them on their website I ...
avi's user avatar
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2 votes
1 answer
365 views

Mishna Berura Ruling on Tying Tekhelet

Does the Mishna Berura rule on the way to tie Tekhelet and the number of Tekhelet strings to use? If so, could you please provide a citation and quote/translation? Thank you.
Akiva___'s user avatar
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2 votes
0 answers
302 views

White (Lavan) & Blue (Tcheiles) - blue Tzitzis [duplicate]

There are some people that wear Tcheiles - blue Tzitzis. What is the reason that the majority of Klal Yisroel still does not wear it if the Tcheilas has been rediscovered?
Gershon Gold's user avatar
2 votes
0 answers
144 views

PreRishonic sources against the tekhelet half-string

What are the classical (pre-rishonic) sources explicitly or implicitly against the view of the Rambam that the tekheleth string is only half-dyed?
Loewian's user avatar
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0 votes
3 answers
287 views

Vegan tekheileth

Does the oral tradition that identifies the hilazon as the source of tekheles necessarily indicate that one could not create the indigo-colored wool by other means? The gemara certainly indicates that ...
Loewian's user avatar
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