Halakhah for Shabbat 51:8
ומדליקין בשמן דגים ובעטרן רבי שמעון שזורי אומר מדליקין בשמן פקועות ובנפט סומכוס אומר כל היוצא מן הבשר אין מדליקין בו אלא בשמן דגים סומכוס היינו ת"ק איכא בינייהו דרב ברונא אמר רב ולא מסיימי
do, who have neither the one nor the other, save naphtha? But you have nought else but that concerning which the Sages said, One may not kindle [therewith].<span class="x" onmousemove="('comment',' You cannot add to the list of forbidden oils enumerated on 20b. ');"><sup>13</sup></span> And one may kindle with fish oil and 'itran.<span class="x" onmousemove="('comment',' A sort of resin. ');"><sup>14</sup></span>
Treasures Hidden in the Sand
Even though it appears from the first outlook that the place the Hillazon is found is in the mountains so is stated in Tractate Sanhedrin (91a) 'He went up to the mountains and saw that today there was only one Hillazon, the next day it rained and the mountain was filled with Hillazon. And in truth in Tractate Menachot (44a) it says they emerge once in seventy years - Rashi explains: it emerges from the land and only in the mountain in the territory of Zevulun.
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