Porous

Materials containing many small pores and spaces which may absorb fluids. Permeable to liquids; those crystalline and cryptocrystalline aggregates which permit the entrance of solutions such as dyes between particles.
Dyed Green Chalcedony, 18 Karat Vintage Hand Fabricated Ring.

Dyed Green Chalcedony, 18 Karat Vintage Hand Fabricated Ring.