Sunstone

From FlyFF WIki

Sunstone

Name: Sunstone
Item Type:
Info: Sunstones are a rare refining material that can drop from any monster.
Duration: 1 time use
Sell Price: penya
Stack Size: 999

Where Can I Get One:
Sunstones are one of the most given items in the game. They can come from Masqerpets, events, Cash Shop etc.
Can be found in Aminus Jewelry Box
Usage:

• Upgrading equipment (up to +10)
• Summoning Angels (PK clusters only)
• Creating Shining Oricalkum.
  

Notice: All items carrying EVENT tag must be kept in Inventory or BackPack. EVENT items are not; Trade-able, Bankable, or Warehouse-able.