This rare, naturally occurring blend of iron and quartz is cumbersome and difficult to work. Armour and shields made from blended quartz weigh twice as much as normal and incur the normal armour check penalty. The DC of relevant Craft checks involving blended quartz increases by 5. But blended quartz is a surprisingly good conduit of magical energy. Spell failure chances for blended quartz armour and shields are reduced by 20%. Weapons made from blended quartz weigh twice as much as normal but gain no additional benefits.
Blended quartz has a hardness of 8 and 15 hit points per inch of thickness.
| Type of Blended Quartz Item | Item Cost Modifier |
|---|---|
| Light Armour | +2,000 gp |
| Medium Armour | +5,000 gp |
| Heavy Armour | +10,000 gp |
| Shield | +2,000 gp/lb. |
Source: Arms and Equipment Guide (Page 18)