Kautilya's Arthashastra 2.11.119

2.11.119

deśakālaparībhogaṃ hiṃsrāṇāṃ ca pratikriyām //E

As to other kinds of gems (which are not treated of here), the superintendent shall ascertain their size, their value, species, form, utility, their treatment, the repair of old ones, any adulteration that is not easily detected, their wear and tear due to lapse of time and place, as well as remedies against those which are inauspicious (himsra).