कर्केतनं सपुलकं रुधिराख्यसमन्वित तथा स्फटिकम् | <br>
विद्रुममणिश्च यत्नादुद्दिष्टं संग्रहे तज्ज्ञनये ||GP 1.68 .10|| <br>
The Diamond the pearl , the Karketana , the Pulaka Rudhiraktya (blood stone) the crystal and coral should be carefully collected. Subject to the advice to the experts on the subject.