Calamine Mineral Classic Formulas — Natural Herb Library

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Brightens the eyes and removes superficial visual obstruction - classically used for red swollen painful eyes, corneal nebulae, eyelid-margin inflammation, and other damp-heat eye disorders.
Dries Dampness and stops itching - applied externally for eczema, weeping sores, damp skin lesions, and external hemorrhoids where moisture and irritation are prominent.
Promotes tissue regeneration and healing - used on chronic ulcers, non-healing sores, and minor burns after proper calcining and water-levigation have made the mineral smooth and safe for topical use.

Bai Long Dan (白龙丹) - ophthalmic powder tradition pairing Lu Gan Shi with Peng Sha, Bing Pian, and related eye-clearing substances for red painful eyes and superficial corneal opacity.
Huang Lian water-processed Lu Gan Shi eye powders - classic external-use preparations for conjunctival inflammation, blepharitis, and heat-type corneal haze.
Lu Gan Shi with Er Cha or Long Gu - topical combinations for chronic weeping sores, difficult ulcers, and lower-body lesions that need both drying and tissue regeneration.

Me & Qi identifies Lu Gan Shi as sweet and neutral, entering the Liver and Stomach channels, and emphasizes that it is a strictly external-use mineral centered on eye and skin disease.
Me & Qi also preserves Li Shizhen's strong ophthalmic emphasis, presenting Lu Gan Shi as a core medicine for eye disorders involving redness, discharge, and superficial opacity.
IDENTITY NOTE: historical smithsonite (zinc carbonate) is the classic source, but modern commercial material often includes hydrozincite or related zinc minerals that become therapeutically similar after calcination into zinc oxide.