Astanga Hrudaya
प्रशस्ता, लेखने ताम्री, रोपणे काललोहजा। अङ्गुली च, सुवर्णोत्था रूप्यजा च प्रसादने॥१३॥
For Lekhana Anjana, the Shalaka should be made of copper, For Ropana, it should be made of iron or finger itself can be used. For Prasadana, Shalaka of gold and silver is used.
english translation