296-301. Porphyry

from

JEAN-CLAUDE CIANCIMINO’s
Alchemical toy-cupboard

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296  CONSTELLATED RED PORPHYRY GRINDING STONE AND PESTLE

India, 19th century or earlier
Size of stone: 28 × 17 cm
Size of pestle: 28 cm long

 

297  PAIR OF RED PORPHYRY CYLINDERS

Gebel Dokhan, Egypt, 1st–2nd century AD
Size: 9 cm high

 

298 THREE INDIAN PORPHYRY PESTLES

Mandya district, Kamataka,
19th century or earlier
a. Intense red porphyry, chipped – Size: 28 cm long
b. Brownish porphyry with a silver alloy sheath over the handle – Size: 29 cm long
c. Octagonal faceted intense red porphyry – Size: 14 cm long

Mines in the vicinity of Seringapatam were the principal source of porphyry in India. Hard-stone pestles such as these were produced for craftsmen, for such things as grinding minerals for pigments.

 

299  RED PORPHYRY DODECAGONAL MORTAR AND PESTLE

 

300  PORPHYRY ROUNDEL

Probably from Gebel Dokhan Mountain,
Egypt, 1st–2nd century AD
Size: 40 cm diameter

This is a slice taken from a column, and was therefore probably mined and shaped in Roman times, for re-use in the floor or wall of a Byzantine monument.

 

301  RED PORPHYRY BALUSTER PLINTH

Gebel Dokhan mountain, Egypt,
1st–2nd century AD
Size: 7.5 cm high, 12 cm long