To this class also belongs melichrysos,3184 a stone which has all the appearance of pure honey, seen through transparent gold. India produces these stones, and, although hard, they are very brittle, but not unpleasing to the sight. The same country, too, produces xuthon,3185 a stone much used by the lower classes there.
About This Book
An encyclopedic survey that first catalogs marine animals, algae, and shellfish, describing habitats, curious behaviors, reported antipathies, and numerous folk remedies and practical uses attributed to specific species, organized by ailments and applications. The later portion treats metals and their ores—including gold, silver, mercury, copper, and brass—describing modes of occurrence, extraction, alloying, testing, gilding, and decorative and monetary uses, alongside technical observations and medicinal remedies derived from metallic substances, with systematic lists and practical instructions interwoven throughout.