Yellow Potato Calcite Cluster – China

This exceptional Yellow Potato Calcite Cluster is a stunning natural specimen. The cluster features multiple well-formed crystals displaying excellent natural formation that makes it a standout addition to any mineral collection.

Calcite (CaCO₃) crystallizes in the trigonal crystal system with a Mohs hardness of 3. This mineral is known for strong double refraction (birefringence), rhombohedral cleavage, and reactivity with dilute hydrochloric acid. This specimen demonstrates the characteristic features that make Calcite a favorite among mineral enthusiasts.

This specimen weighs 43.21 oz (1225.0 g) and measures approximately 9.6 × 4.5 × 4 inches, representing a rare example. Each specimen is carefully hand-selected to ensure excellent crystal development, natural aesthetics, and display-worthy presentation. Photographs represent the actual specimen you will receive.

Whether you are a seasoned mineral collector, a geology enthusiast, or searching for a distinctive natural display piece, this Calcite specimen offers exceptional quality and visual appeal. It makes an impressive addition to a specimen cabinet, educational display, or curated mineral collection — Calcite is one of the most common minerals on Earth, valued by collectors for its incredible crystal diversity and optical properties.

China — dominant modern source for collector-grade specimens since the 1990s.