Extra Large Deep Purple Amethyst with Calcite – 116 lb | Uruguayan Geode

This is a single, unrepeatable specimen. A 116 lb deep purple amethyst geode from Artigas, Uruguay — 20 inches tall, with a natural calcite formation growing directly within the crystal cluster. When this piece is gone, there is no restock.

Specifications

• Weight: 116 lb / 52.6 kg
• Dimensions: 20 in (H) × 15 in (L) × 6 in (D)
• Origin: Artigas, Uruguay
• Crystal color: Deep purple, darkening to near-black at the core
• Special formation: Natural calcite growing within the amethyst cluster
• Exterior: Banded agate wall, natural geological cross-section visible
• Base: Flat-cut — self-standing, no display stand required

What makes this piece rare

The defining feature of this geode is the calcite formation — a secondary mineral that grew inside the amethyst cavity over millions of years as mineral-rich fluids moved through the rock. White, opaque, and structurally distinct from the surrounding crystal bed, it is the kind of geological inclusion that transforms a beautiful piece into a true collector's specimen. It cannot be replicated or ordered again.

The amethyst itself displays the dense, saturated color that Artigas is known for globally — deep violet points of exceptional clarity, with the banded agate exterior revealing the full cross-section of how this geode formed.

Display and placement

At 116 lbs and 20 inches tall, this piece anchors a room. The flat-cut base allows stable, stand-free placement on floors, plinths, console tables, or architectural niches. Suited for private residences, luxury interiors, hotel lobbies, or institutional collections.

Ships with a certificate of origin verifying its source in Artigas, Uruguay.