Anandakanda 1.24.15

1.24.15

sparśanātsarvalohāni rajataṃ ca kariṣyati /
<pañcamaḥ prakāraḥ raktavaikrāntasiddhaḥ>
raktasya vakṣyate karma jarādāridryanāśanam //

By touch it will turn all metals into silver.
<Fifth method: accomplished with red tourmaline>
The procedure for the red [variety] will be told, which destroys old age and poverty.