- The crystal is slightly raised from the design for a beautiful definition. Matching pieces are available!
- Triquetra and Charmed symbols at Magical Omaha
- Triquetras (Charmed Symbol), Triskelions,. and Triple Moons.
Triquadtra is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Triquadtra books and related discussion.