[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Materia Medica of the Hindus, compiled from Sanskrit Medical Works](https://indike.org/pramana/ins.science.dutt-1877) › c4.s4.28 # The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c4.s4.28 The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c4.s4.28 - **Language:** English ### [c4.s4.28](https://indike.org/pramana/ins.science.dutt-1877.c4.s4.28) The precious stones described are, 1 \*Hiraka\*, diamond; 2 \*Gárutmat\*, emerald; 3 \*Pushparága\*, topaz; 4 \*Mánikya\*, ruby; \*Indranila\*, sapphire; 6 \*Gomeda\*, a yellow gem of the colour of fat; 7 \*Vaidurya\*, a gem of a dark blue colour, the lapis lazuli; 8 \*Mauktika\*, pearls; 9 \*Vidruma\*, corals. Collectively they are called \*Navaratna\* or the nine gems. \*Rájavarta\*, an inferior kind of diamond from Virat, and \*Vaikránta\*, another inferior kind of diamond, are sometimes used instead of diamond. - [Previous: c4.s4.27](https://indike.org/pramana/ins.science.dutt-1877.c4.s4.27) - [Next: c4.s4.29](https://indike.org/pramana/ins.science.dutt-1877.c4.s4.29) - [Up: c4.s4](https://indike.org/pramana/ins.science.dutt-1877.c4.s4) --- Source: [https://indike.org/pramana/ins.science.dutt-1877.c4.s4.28](https://indike.org/pramana/ins.science.dutt-1877.c4.s4.28) · Pramāṇa