3 other items in the current build are also called Purified Twilight Opal. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 40094 (40089 to 40100) were usually added in the same batch as Purified Twilight Opal: the same quest line, zone, vendor or reward set.
Connected realms with a listing in the latest MoP Classic scan: EU 0 of 25, KR 0 of 5, TW 0 of 8, US 0 of 23.
Item data: Blizzard's MoP Classic Game Data API (static data 5.5.4.67732). Prices: per-unit buyouts from one Blizzard Auction House snapshot per connected realm per hour; market is the quantity-weighted median of a realm's listings. Retail column: the retail client datamine.
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