DROID MINI / DROID ULTRA / DROID MAXX by MOTOROLA - Link / Unlink Contacts
The Contacts app uses an intelligent merge feature to combine contact info from various sources (Gmail, Microsoft® Exchange, Facebook, new entries, etc.). If contact info was joined in error it can be separated back into individual contacts.
From a Home screen, select People (located at the bottom).
If unavailable, navigate: Apps > People .
From the All contacts tab (located at the top), select a contact.