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This beautiful, freeform amethyst sugar formation, polished to a high shine, is mounted on a sturdy iron stand. Its crystals rest on a pink background and...

This exquisite, freeform sugar formation of amethyst, polished to a brilliant finish, showcases a vibrant Rainbow or 'Galaxy' effect, with crystals displaying a mesmerizing blend of...

This stunning freeform amethyst specimen features a rainbow of colors, polished to a high shine and mounted on a sturdy iron stand. The amethyst crystals rise...

This self-standing, polished piece features purple amethyst crystals. It retains its volcanic basalt matrix and is capped with agate, showcasing a stunning natural formation. Weight: 1.7...

This vibrant amethyst freeform, also known as a sugar amethyst, showcases a stunning array of crystals set against a rich red background. The specimen retains its...

This unique piece features a sugar-like formation of calcite. It is accompanied by two complete, full-bodied calcite crystals, each with all their faces intact. One of...

This polished amethyst sculpture showcases deep purple crystals still embedded in their volcanic basalt matrix, creating a stunning natural display. Weight: 1.41 kg (3.1 lb) Dimensions...

This polished amethyst egg features a full-body, all-agate construction, including the shell, adorned with deep lavender amethyst crystals. It is accompanied by chunky formations. A single-generation,...

This stunning piece features a tall, self-standing amethyst formation with crystals set against a lavender background, still attached to its natural volcanic basalt matrix. It is...

This self-standing, tallied specimen features lavender amethyst crystals still attached to its volcanic basalt matrix. It is accompanied by a single-generation, transparent calcite crystal that displays...

A natural calcite specimen from Artigas, Uruguay. This piece showcases the unique characteristics of calcite, a popular mineral among collectors. Weight: 0.79 kg (1.74 lb) Dimensions...

This unique piece features a polished amethyst 'cupcake' with a lavender hue and a body and cap of agate. It is accompanied by two single-generation calcite...