History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s1.t4.24
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s1.t4.24
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v1.c18.s1.t4.24
Apart from minerals the following gems were also in use in therapeutics, viz. - Mani in general, Muktā (Pearl), Pravāla (Coral), Saugandika Māṇikya (Ruby), Vajra (Diamond), Vaidūrya (Cat’s eye), Sphatika (Quartz) & Śaṅkha (Conch Shell) etc.