Porphyrite

Porphyrite
Porphyrite is a luminous purple stone that first appeared on Porphyra during the New-God wars. Porphyrite is used to hold the newly reformed world of Porphyra together, to restrict the movement of some forces, and to act as a deterrent to elenentals.

Armor: DR 1/— (light), DR 2/— (medium), DR 3/— (heavy) against the physical attacks of elementals.
Weapon: +1 material bonus vs. elementals.
Hardness 12; Hit Points 20 per inch

Cost Modifier: Increase the cost of magic items by 500 gp initially.
Cost Multiplier: x3

OPEN GAME LICENSE Version 1.0a - All text is Open Game Content.