first reference to Durga; first reference to sindur

[Oliver Hellwig]

For sindura in early classical Skt. refer to:

Sushrutasamhita Cik. 9.61
Rtusamhara 1.24
Suryashataka 1.1

Lots of references can be found in alchemical texts (see White, 
Meulenbeld).

Best, Oliver