Red earth, of the iron-oxide earth (ochre); a natural earth, not a mineral species family. A soft red iron-oxide earth. Globally recognized as harmchi in Arabic/Urdu, and red earth, red ochre in English. The part used is the earth, levigated.

In this cross-tradition database, we analyze how this substance operates across world medicine systems — tracking its traditional tastes, temperatures, tissue affinities, post-digestive effects, and planetary correspondences across Ayurveda, Unani, and Western herbalism.

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