This post is simply a collection of icon images (taken from my collection) that depict the Glory of God through the use of a device called a mandorla - which means "almond".
From a Ural Mts. feasts icon: The Harrowing of Hell
From a Ural Mts. feasts icon: The Resurrection
From a Ural Mts. feasts icon: The Ascension
From a modern Greek icon: The Transfiguration
From a 19th century Russian icon: The Transfiguration
From a modern American icon: The Transfiguration
From a Russian icon with oklad/cover: The Transfiguration
From a Russian icon with oklad/cover removed: The Transfiguration
From a Russian icon with oklad/cover: The Harrowing and Resurrection
From a Russian icon with oklad/cover removed: The Harrowing and Resurrection
From a Greek icon: The Harrowing and Resurrection
From a Ural Mts. icon: The New Testament Trinity
A Russian icon: The New Testament Trinity
From a Russian icon: The Synaxis of the Archangels
A modern English icon: Christ in Majesty
The following are from a Russian 19th Century folding iconostasis:
The Transfiguration
The Ascension
The Dormition of Mary
The Harrowing of Hell / Resurrection
From a Russian "Protecting Veil" icon: Christ in heavenly glory
From a Russian 17th century icon: The Ascension