Electrum

Electrum Ore is a material type available in Kingdom Hearts χ and even rarer than both Orichalcum and Adamantite Ore.

Design
An is represented by a sun-shaped, gold-colored jewel. Its upper half is lined by eleven triangular beams and the lower half sprouts lotus-like leaves. The center of the jewel is a pearl.

Kingdom Hearts χ[chi]

 * Electrum Ore: Darkling, Darkside, Darkside Ω

The Electrum Ore only dropped during the third Crystals of Light event.

Kingdom Hearts χ[chi]

 * Electrum Ore: Available through Mog trade, as mission and quest rewards.

Kingdom Hearts Union χ

 * Electrum Ore: Only available by completing objectives of the Proud Mode quests.

Kingdom Hearts χ[chi]
Electrum Ore are used to synthesize the following items:
 * Starlight +47 until +50 (65 Electrum Ore)
 * Treasure Trove +47 until +50 (65 Electrum Ore)
 * Lady Luck +47 until +50 (65 Electrum Ore)
 * Three Wishes +47 until +50 (65 Electrum Ore)
 * Olympia +47 until +50 (65 Electrum Ore)
 * Divine Rose +47 until +50 (65 Electrum Ore)
 * Moogle of Glory +47 until +50 (65 Electrum Ore)

Kingdom Hearts Union χ
Electrum Ore are used to synthesize the following items:
 * Sleeping Lion +1 until +25 (100 Electrum Ore)
 * Counterpoint +1 until +25 (100 Electrum Ore)
 * Fenrir +1 until +25 (100 Electrum Ore)

Kingdom Hearts III
Electrum are used to synthesize the following items:
 * Astrolabe+ (1 Electrum)