This chalcedony after anhydrite is a pseudomorph, meaning one mineral (chalcedony) replaced another (anhydrite) while maintaining the original crystal's external shape. This exquisite piece displays a lilac-blue color and botryoidal formation, considered a unique and visually stunning collector's mineral.
Sourced from Rumipata, Ichuña, General Sánchez Cerro Province, Moquenga, Peru. Includes the acrylic base and a mineral ID card.
Mineral Information:
- Anhydrite CaSO₄
- Chalcedony SiO₂
Approx. Weight & Dimensions:
- 70.6g - 3 1/16" x 1 1/4" x 1"
- acrylic base is 1.5" x 1.5" x 0.75"
Also Known As:
- Blue chalcedony after anhydrite
- Pseudomorphic chalcedony
