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
BeCu is a copper-based alloy which contains up to 2% of beryllium. Since BeCu alloy is a chemically stable substance, there are no particular risks to human health or the environment under normal conditions.