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 hydroxide topic. Beryllium hydroxide , Be(OH), is an amphoteric hydroxide , dissolving in both acids and alkalis . Industrially, it is produced as a by-product in the extraction of beryllium metal from the ores beryl and bertrandite . The natural pure beryllium hydroxide is rare (in form of the mineral behoite, orthorhombic) or very rare (clinobehoite, monoclinic).