Zircon. A material occurring in tetragonal crystals, usually of a brown or gray color. It consists of silicon, iron and zirconium, and is harder than the garnet. The transparent varieties are used as gems. The red variety is called Hyacinth; a colorless, pale yellow, or smoky-brown variety from Ceylon is called jargon.
“Even though I walk through the darkest valley, I will fear no evil, for you are with me; your rod and your staff, they comfort me.”
– Psalm 23:4