The Duke and Duchess of Kent’s only child, Victoria was born at 4:15 a.m. on Monday 24 May 1819 at Kensington Palace in London.
Tectosilicates, or “framework silicates,” have a three-dimensional framework of silicate tetrahedra with SiO2 in a 1:2 ratio. This group comprises nearly 75% of the crust of the Earth.