खन्यध्यक्षः शङ्खवज्रमणिमुक्ताप्रवालक्षारकर्मान्तान् कारयेत्पणनव्यवहारं च ॥ कZ_०२.१२.२७ ॥
khanyadhyakṣaḥ śaṅkha-vajra-maṇi-muktā-pravāla-kṣāra-karmāntān kārayet paṇana-vyavahāraṃ ca
The Superintendent of Mines shall cause the production/processing establishments for conch, diamond, precious stones, pearls, coral, and alkali to function, and shall also regulate their buying and selling transactions.
They are high-value or strategically important commodities; centralized oversight reduces smuggling, ensures quality control, and secures revenue.