Leyden papyrus X
Encyclopedia
The Leyden papyrus X is a papyrus
Papyrus
Papyrus is a thick paper-like material produced from the pith of the papyrus plant, Cyperus papyrus, a wetland sedge that was once abundant in the Nile Delta of Egypt....

 codex
Codex
A codex is a book in the format used for modern books, with multiple quires or gatherings typically bound together and given a cover.Developed by the Romans from wooden writing tablets, its gradual replacement...

 written in Greek at about the end of the 3rd century A.D. or perhaps around 250 A.D. and buried with its owner, and today preserved at Leiden in the Netherlands. It contains alchemical
Alchemy
Alchemy is an influential philosophical tradition whose early practitioners’ claims to profound powers were known from antiquity. The defining objectives of alchemy are varied; these include the creation of the fabled philosopher's stone possessing powers including the capability of turning base...

 texts, mostly concerned with making dyes and alloys which can be made to look like gold. It also mentions Moses as an alchemist.
Origin =

The Leiden papyrus was discovered at Thebes in Egypt, together with the Stockholm Papyrus, which was probably written by the same scribe, and many Greek magical papyri
Greek magical papyri
The Greek Magical Papyri is the name given by scholars to a body of papyri from Graeco-Roman Egypt, which each contain a number of magical spells, formulae, hymns and rituals. The materials in the papyri date from the 2nd century BC to the 5th century AD...

, in the early 19th century by an adventurer calling himself Jean d'Anastasi
Giovanni Anastasi (merchant)
Giovanni Anastasi was born to Armenian family in Damascus. Around year 1797 he moved with his father to Alexandria, where Anastasi established himself as wealthy merchant and antiquarian. Anastasi served as Swedish-Norwegian Consul-General from 1828 until his death...

, holding the office of Swedish vice-consul in Alexandria. In 1828 he sold a number of papyri to the Dutch government, which were lodged at the Leiden University Library, and labelled as "papyrus A", "papyrus B", etc. The first publication of information was in 1843, and the texts were published with Latin translation in 1885 by Leemans as Papyri Graeci Musei antiquarii publici Lugduni Batavii. Papyrus X is the most interesting of these. There is some relationship to the Greek magical papyri
Greek magical papyri
The Greek Magical Papyri is the name given by scholars to a body of papyri from Graeco-Roman Egypt, which each contain a number of magical spells, formulae, hymns and rituals. The materials in the papyri date from the 2nd century BC to the 5th century AD...

, and to the Mappae clavicula
Mappae clavicula
The Mappae clavicula is a medieval Latin text, a compilation containing recipes for a number of crafts including metalwork, dyeing and mosaic, as well as several recipes relevant to painting...

.
Details =

The papyrus consists of 10 leaves, 30 x 34 cm in size, folded lengthwise and making 20 pages, of which 16 contain writing. Each page has 28-47 lines. The text contains one hundred and eleven recipes for extracting precious metals, or counterfeiting such metals, or precious stones and purple dye. It also contains details of the manufacture of textiles, and making gold and silver inks. The recipes are not detailed, and probably served as an aide-memoire for those already familiar with the process. The presentation is exclusively practical, and does not include the usual alchemical or philosophical elements. The last eleven recipes are simply short extracts from the Materia Medica of Pedanius Dioscorides
Pedanius Dioscorides
Pedanius Dioscorides was a Greek physician, pharmacologist and botanist, the author of a 5-volume encyclopedia about herbal medicine and related medicinal substances , that was widely read for more than 1,500 years.-Life:...

. They are chiefly descriptions of certain minerals. It is of interest to note that the extracts in the papyrus are very close to the present editions of this Greek writer compiled from quite different sources.
External links =
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