[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.s15.2 # The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c4.s15.2 The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c4.s15.2 - **Language:** English ### [c4.s15.2](https://indike.org/pramana/ins.science.dutt-1877.c4.s15.2) FOUR varieties of talc are described by Sanskrit writers, namely, white, red, yellow and black. Of these the white variety is used as a substitute for glass in making lanterns etc, and the black variety called \*vajrábhra\* is used in medicine. It is of a black colour, hard and heavy, and generally known by the name of \*krishnábhra\* or \*sheábhra\*. - [Previous: c4.s15.1](https://indike.org/pramana/ins.science.dutt-1877.c4.s15.1) - [Next: c4.s15.3](https://indike.org/pramana/ins.science.dutt-1877.c4.s15.3) - [Up: c4.s15](https://indike.org/pramana/ins.science.dutt-1877.c4.s15) --- Source: [https://indike.org/pramana/ins.science.dutt-1877.c4.s15.2](https://indike.org/pramana/ins.science.dutt-1877.c4.s15.2) · Pramāṇa