Crystals & Stones

Chiastolite specimen; public-domain photo by Géry Parent — Roosters Peacock crystal guide
Chiastolite: The Stone of Protection, Transition & Centered Strength
Chiastolite is a cross-patterned variety of Andalusite, Al2SiO5, formed when carbon-rich inclusions become arranged into a natural cross within growing crystals. Explore its mineral science, historic 'cross stone' tradition, modern... Read more...