Anandakanda 1.8.20

1.8.20

vajrasaṃkrāmaṇaṃ hema kāntaṃ vyoma bhavetpriye /
hemnaḥ kāntabhavaṃ yojyaṃ kāntasya krāmaṇaṃ ghanam //

the vehicle for diamond is gold, lodestone, and mica, O beloved; / for gold, that derived from lodestone should be employed; the vehicle for lodestone is mica;