Assertion: reddish brown | /r/CreatedBy | heating raw sienna
Facets:
Source sentences:
text: It is made by heating raw sienna, which dehydrates the iron oxide, changing it partially to haematite, giving it rich reddish-brown colour.
text: It is made by heating raw sienna, which dehydrates the iron oxide, changing it partially to haematite, giving it rich reddish-brown colour.