| Mesorah | A mitzvah forgotten for 1,500 years shouldn’t be revived. | Rabbi Mois Navon, Rabbi Eli Mansour | | 2 |  |
| Mesorah | A Negative Mesorah? | | | 4 | |
| Linguistic Meaning | Are linguistic proofs for Murex too broad to be reliable? | | Chosem Shel Zahav | 1 | |
| Creature Identity | Body Like the Sea, Form Like Fish, Once in 70 Years | | | 1 | |
| Linguistic Meaning | Chilazon Can’t Mean Snail if Shavlilta Means Snail | | | 3 | |
| Color, Creature Identity | Chilazon Needs to be the Color of the Sea | | | 1 | |
| Creature Identity | Chilazon Shaking Violently Before It’s Death | | | 2 | |
| Color, Dyeing Process, Gufo Domeh L'Yam | Color of the Blood – Black | | | 7 | |
| Melachos on Shabbos | Cutting Chilazon during extraction violates netilas neshama or gozez | Rabbi Eliyahu Tavger, Rabbi Yisroel Barkin | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 2 | |
| The Loss of Techeiles | Did Murex use end when Techeiles did? | | | 1 | |
| Linguistic Meaning | Do broad words like tolaas or limtza rule out Murex? | | Chosem Shel Zahav | 1 | |
| Creature Identity | Does the Murex snail have גידים ועצמות as described in the Yerushalmi? | | | 1 | |
| Creature Identity | Does this snail come ashore once in seventy years, as Chazal say the חלזון does? | | | 1 | |
| Creature Identity, Melachos on Shabbos | Does Tosafos Prove the Chilazon Must Thrash? | | Tosafos Shabbos 75a “HaTzad Chilazon” | 1 | |
| Color | Does תכלת need to be a specific shade of blue in order to be Kosher? | | | 1 | |
| Linguistic Meaning | Doesn’t Purpura simply mean purple? Why are they mentioned in Techeiles? | | | 2 | |
| Creature Identity | Gedolim Holding of Radzyner Techeiles | | | 2 | |
| Color | How are the color properties of the murex trunculus Techeiles? | | | 1 | |
| Creature Identity, Min Mutar Beficha | How can a non-kosher creature be used for a ?מצוה | Rabbi Yisroel Rosenberg | | 5 | |
| Creature Identity, Melachos on Shabbos | How can the Melocho of Tzad צד – Trapping – apply to the Murex? | Rabbi Mois Navon, Dr. Israel Irving HaCohen Ziderman | | 9 | |
| Creature Identity, Melachos on Shabbos | How can the Melocho of דש – Extraction – apply to the Murex snail? | | | 2 | |
| Linguistic Meaning | How does Rashi Say a Chilazon is a Snail or a Worm? | | Old French for Limtza meaning Snail, Radak, Sefer HaShorashim Letter ח | 7 | |
| Gufo Domeh L'Yam | How does the Murex Trunculus Snail look like the sea? | | | 1 | |
| Dyeing Process | How Expensive was the Dye | Rabbi Mois Navon | | 2 | |
| Creature Identity, Gufo Domeh L'Yam | How is Chilazon a Snail? It’s a Fish! | Dr. Israel Irving HaCohen Ziderman , Ludwig Lewysohn | Johannes David Michaelis on Chilazon being a Cuttlefish | 15 | |
| Mesorah | If the Murex is wrong, wearing it is a berachah levatalah. | Rabbi Mois Navon | | 1 | |
| Mesorah | If there would be only a doubt, is there still an obligation to perform a ?מצוה | | | 1 | |
| Mesorah | Is a Mesorah (direct tradition) required for the identification of the ?חלזון | HaRav Chaim Yisroel Belsky ZT”L | | 3 | |
| Color, Creature Identity | Is Murex Really the Source of Argaman? | | | 1 | |
| Color, Dyeing Process | Is there a concern with wearing ציצית dyed with incorrect or invalid blue dye? | | | 1 | |
| Kabbala | Kabbalistic concerns link Kala Ilan to impurity (Sitra Achra). | Rabbi Eliyahu Tavger, Rabbi Yisroel Barkin | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 1 | |
| Mesorah | Mesorah on Shade of Blue, How Many Strings | | | 1 | |
| Melachos on Shabbos | Mifkad Pakid (non-Circulatory Blood) | Rabbi Yisroel Rosenberg | | 3 | |
| Creature Identity, Dyeing Process | Murex dye remains viable post-mortem, contradicting the Gemara. | Rabbi Eliyahu Tavger, Rabbi Yisroel Barkin | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 1 | |
| Creature Identity | Murex Historical Sources vs Torah Descriptions of the Chilazon | | | 0 | |
| Creature Identity, Dyeing Process | Murex Mucus isn’t Blood | Rabbi Yisroel Barkin | Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 3 | |
| Dyeing Process | Must Sammemanim be mixed with the blood? | Rabbi Yisroel Rosenberg | | 1 | |
| Creature Identity | Nartik Doesn’t Mean Shell | | | 1 | |
| Mesorah | No Gedolim wear it, so neither should we | Rabbi Mois Navon | | 3 | |
| Mesorah | Once Techeiles got lost, we can’t revive it | HaRav Chaim Yisroel Belsky ZT”L | Can We Identify the Techeiles? | 3 | |
| Safek Midroraissa LeChumra | Rabbinic uncertainty – a Safek – means it’s safer not to wear Techeiles. | Rabbi Mois Navon, Rabbi Eliyahu Tavger, Rabbi Yisroel Barkin | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 2 | |
| The Loss of Techeiles | Sanhedrin 12a Doesn’t Talk about Techeiles | | Ben Yehoyada – Sanhedrin 12a on Zug ba MiRekes | 1 | |
| Creature Identity | Should Rishonim’s words on metzius override observed reality? | Rabbi Yisroel Rosenberg | | 1 | |
| Linguistic Meaning | Since each proof has a possible weakness, does the Murex case collapse? | | Chosem Shel Zahav | 1 | |
| Creature Identity, Min Mutar Beficha | Techeiles from a Non-Kosher Creature | | Noda BiYehuda Orach Chaim Siman 3 | 4 | |
| Techeiles vs. Kala Ilan | Techeiles Lasts | | | 1 | |
| Techeiles vs. Kala Ilan | Techeiles Taking Well to Many Materials | | | 1 | |
| Kabbala | The Arizal’s statement on the Mitzva of Techeiles during the time of the Beis Hamikdash | Rabbi Mois Navon | שער הכוונות – דרושי ציצית דרוש ד – AR”I Shaar Hakavanos – Drushei Tzitzis – Drush 4 – Techeiles, שער הכוונות/דרושי ציצית/כל – AR”I’s Shaar Hakavanos – Drushei Tzitzis – All | 2 | |
| Kabbala, Techeiles vs. Kala Ilan | The Ben Ish Chai is Against Modern Techeiles | Rabbi Yisroel Barkin | Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles, Rabbi Shlomo Miller on Techeiles – To Mendel Singer | 1 | |
| Color | The blue from Murex isn’t genuine Techeiles; it looks like kala ilan (indigo). | Rabbi Mois Navon, Rabbi Yisroel Barkin, Rabbi Eliyahu Tavger | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles | 2 | |
| Dyeing Process | The Chemical Tests Don’t Work! | Rabbi Yisroel Barkin, Rabbi Eliyahu Tavger | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 6 | |
| The Loss of Techeiles | The Chilazon can’t be found since Techeiles is Nignaz | Rabbi Eliyahu Tavger, Rabbi Yisroel Barkin, HaRav Chaim Yisroel Belsky ZT”L | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 4 | |
| Color, Dyeing Process | The color from Murex isn’t permanent | Rabbi Mois Navon | | 1 | |
| Dyeing Process | The dyeing process | | | 2 | |
| Creature Identity | The Hillazon described in the Gemara doesn’t match the Murex trunculus. | Rabbi Mois Navon | | 1 | |
| Melachos on Shabbos | The Melacha of Potzea Doesn’t Apply to the Murex | | | 3 | |
| Mesorah | The Radzyner Rebbe already tried and failed; this is the same. | Rabbi Yosef Gavriel Bechhofer, Rabbi Mois Navon | | 3 | |
| How to Tie, The Loss of Techeiles | There’s no clear halachic procedure to tie Techeiles today. | Rabbi Mois Navon, Dr. Israel Irving HaCohen Ziderman , Rabbi Hershel Schachter | | 2 | |
| Color, Mesorah | Tzitzis being Only White | Rabbi Yisroel Barkin, Rabbi Eliyahu Tavger, Rabbi Mois Navon | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles | 3 | |
| Bal Tosif or Bal Tigra | Using more than one thread of Techeiles violates “Bal Tosif.” | Rabbi Eliyahu Tavger, Rabbi Yisroel Barkin, HaRav Chaim Yisroel Belsky ZT”L | Rabbi Shlomo Miller on Techeiles – To Mendel Singer, Rabbi Eliyahu Tavger Response to Rabbi Shlomo Miller on Techeiles, Rabbi Yisroel Barkin Response to Rabbi Shlomo Miller on Techeiles, R’ Mordechai Willig – Techeiles that’s Meakev the Lavan | 2 | |
| Creature Identity, Melachos on Shabbos | Using Nets for Trapping | | | 1 | |
| Creature Identity | Vague Terminologies Describing Techeiles – Once in 70 Years | HaRav Chaim Yisroel Belsky ZT”L, Dr. Israel Irving HaCohen Ziderman , Rabbi Bentzion Halberstam, Rabbi Yisroel Rosenberg | | 4 | |
| Nignaz | Wasn’t the חלזון hidden away – ?נגנז | | | 3 | |
| Creature Identity | What does “It’s body is similar to the sea, and the sea is similar to the sky” “Gufo Domeh L’Yam” mean? | Rabbi Yisroel Rosenberg | | 1 | |
| Color, Linguistic Meaning | What’s the color of Techeiles? | | | 1 | |
| Color, Dyeing Process | When does the Dye Deteriorate | | | 1 | |
| Location of Chilazon | Where is the Chilazon caught? | Rabbi Yisroel Rosenberg | חלזון – מטפחת ספרים – R’ Yaakov Emden Mitpachas Sefarim on Chilazon | 3 | |
| Creature Identity, Gufo Domeh L'Yam | Where is the Dam – Blood – stored? | | | 1 | |
| Creature Identity | Which Rishonim wrote on the Chilazon being a Snail? | Rabbi Gershom Baraza, Rabbi Dovid Aronin | | 7 | |
| Creature Identity, Gufo Domeh L'Yam | Why do Chazal state “its form is similar to a fish”? | | | 2 | |
| Color, Creature Identity | Why is it that the Murex snail is often cited as the source for purple dye? | | | 1 | |
| Creature Identity, Dyeing Process | Why is the source of the dye referred to as דם , if in fact it is mucus-like fluid? | | | 1 | |
