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Showing posts from May 28, 2014

More questions on ink

There are a few things which I don't understand.

a) עפצים and  קנקנתום  are argued by some Poskim to be mandatory in ink because they are mentioned in the Gmara or Rishonim. There are, however, other ingredients, like   עשן פחם דבש אדרמינט  שמן , which are also mentioned in the Gmara or Rishonim. עשן is the most favorite blackening ingredient amongst the Rishonim and Achronim. Yet, these other ingredients are not considered mandatory.  How come?

b) The  קנקנתום  which is argued by some Poskim to be mandatory in ink, is a natural material mined from the ground. Nowadays this natural קנקנתום  is difficult to obtain. As a substitute, ink manufacturers in Israel have replaced the natural קנקנתום  with much cheaper synthetic iron-sulfate.  קנקנתום  and synthetic  iron-sulfate are not the same material, and, the synthetic iron-sulfate is definitely not the natural קנקנתום  of  חז"ל .  (Natural קנקנתום contains iron-sulfate plus other ingredients. Synthetic iron-sulfate also contain…

מנומר במזוזות

In Igros Moshe Orach Chayim 4:9 (pg. 14), it discusses in brief the importance of having all the mezuzahs and tefillin parshiyos the same ksav. In there it was specifically referring to ksav Beis Yosef not being mixed with Ksav Arizal (where one main difference is the letter tzadik) and that it would be pasul mdin menumar.


I am interested in any marei mekomos that discuss the issue of menumar for mezuzahs. Is this law of having the same mezuzahs a hiddur or chumra or mi-ikur hadin - for within the Igros Moshe it uses the wording posul mdin menumar?
Also would there be a bigger issue when there is Beis Yosef follower using non Beis Yosef ksav in some mezuzahs (or Tefillin) or would it also apply within Sfardic ksav with Arizal?
Of course, all ksavim are kosher and good, but I am asking strictly in regards to menumar.
Thank you