Large Amethyst Geode with Calcite Formation — 25.37 lb | Artigas, Uruguay

A large natural amethyst geode with calcite from Artigas, Uruguay — deep violet crystal interior meeting white calcite formations in a dual mineral composition that is genuinely rare at this scale.

Specifications

• Weight: 25.37 lb / 11.51 kg
• Formation: Dual mineral — amethyst geode with calcite
• Interior: Raw deep violet amethyst crystal with natural white calcite formations
• Exterior: Polished with natural agate banding
• Origin: Artigas, Uruguay
• Self-standing: No base or support needed
• Traceability: Certificate of origin — emporiongems.com/pages/traceability

What Makes This Piece Exceptional

Most amethyst geodes present a single mineral story — violet crystal from wall to wall. This piece tells two. The calcite formed after the amethyst, filling voids and fractures with white to translucent deposits that contrast sharply against the deep purple crystal bed. The result is a natural amethyst and calcite formation that reads as both geological record and visual composition.

Calcite inside an amethyst geode is not engineered or added — it is a secondary mineral event that occurs in a small fraction of formations. At 25.37 lb, finding this dual mineral combination at this scale and with this level of color saturation makes it an uncommon specimen even within Uruguayan material. The Artigas region produces the deepest amethyst in South America, and this piece carries that characteristic richness throughout.

Perfect For

• Collectors seeking a rare dual mineral amethyst geode with documented provenance
• Interior designers sourcing a unique amethyst geode statement piece for high-end residential or commercial spaces
• Entryways, living rooms, or executive offices where the piece can be viewed from multiple angles
• Premium gift buyers looking for a large natural crystal geode with a compelling mineral story

Shipping

Free US shipping. Custom-packed with high-density foam and reinforced boxing. Fully insured in transit. This is the exact piece you will receive.

⚠️ One of a Kind — No Restock

This natural amethyst calcite geode is a singular specimen. Once it sells, it is gone. No two are alike, and this exact piece will not be restocked.