Crystal & Stones

Natural mimetite crystal specimen from San Pedro Corralitos, Chihuahua, Mexico; Rob Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide

Mimetite: The Stone of Discernment, Boundaries & Careful Observation

September 24, 2026

Mimetite is a dense lead arsenate chloride mineral in the apatite group, named for its resemblance to Pyromorphite. Learn its mineral facts, history, strict safe-handling guidance and modern symbolism.

Natural marcasite crystal specimen from Vintířov, Czech Republic; Rob Lavinsky, CC BY-SA 3.0 — Roosters Peacock crystal guide

Marcasite: The Stone of Discernment, Structure & Resilient Focus

September 24, 2026

Marcasite is an orthorhombic iron sulfide mineral with bright metallic luster and distinctive crystal forms. Learn its mineral facts, history, careful storage needs and modern symbolic meanings.