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 copper is an alloy of copper often used for tools that need to be reasonably strong and reasonably hard, but that more importantly need to not create sparks when used. This is important if you are, for example, working on an oil well and are drenched in flammable fluid while using the tool.