The Celtic Trinity Knot, or the Triquetra, is one of the most common of the knot ilk. The term Triquetra comes from Latin, and it means three-cornered.. There are many schools of thought when discussing the Celtic trinity knot meaning.
Definition of BERYL: Aluminum beryllium silicate with chemical formula Be3Al2Si6O18. A transparent glassy mineral, which forms hexagonal prisms. Transparent varieties (white, g
Beryllium is a Group 2 (IIA) element. It is a metal and has a high melting point. At ordinary temperatures, beryllium resists oxidation in air. Beryllium compounds are very toxic.Its ability to scratch glass is probably due to the formation of a thin layer of the oxide.n fact, compounds containing beryllium are poisonous. Beryllium is found in a number of minerals. The most important minerals are beryl, [Be 3 Al 2 (SiO 3) 6 ], which is often found as hexagonal prisms, and bertrandite [4BeO.2SiO 2 .H 2 O].