Shiva Purana
मासे भाद्रपदे चैव पद्मरागमयं परम् ॥ आश्विने मासि विद्याद्वै लिंगं गोमेदकं वरम् ॥ ७४ ॥
In the month of Bhadrapada, the next day is the lotus flower. In the month of Ashwin one should know that Linga is the best of onyx.
english translation
mAse bhAdrapade caiva padmarAgamayaM param ॥ Azvine mAsi vidyAdvai liMgaM gomedakaM varam ॥ 74 ॥
hk transliteration by Sanscript