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This remarkable Calcite specimen on custom stand comes from the famed Sweetwater Mine in Reynolds County, Missouri, known for producing some of the most distinctive calcite formations in the world. Nicknamed “Dragon Scale” Calcite for its layered, scale-like crystallization, this specimen exhibits a beautiful phantom of the Chalcopyrite hidden beneath the surface. Short wave (254 nm) UV reactive. A fine example of the mineralogical diversity found within the Viburnum Trend mining district. Please see Additional Info below for video. Specimen will be securely packed and shipped USPS Priority Mail.
Measures approximately 75mm x 36mm (at widest) x 49mm (at thickest)
Weighs 64 grams
FREE shipping/insurance to U.S. residents - WE DO NOT OFFER INTERNATIONAL SHIPPING
This vibrant ammolite specimen showcases the spectacular iridescence that has made this gem one of the most coveted fossilized organic materials in the mineral world. Layers of naturally transformed aragonite create a dynamic play of color—rich reds, golds, greens, and occasional flashes of blue—each shift revealing the intricate structure of the ancient ammonite shell from which it formed.
Sourced from one of Canada’s most renowned ammolite-producing regions, this specimen displays exceptional color intensity, clean surface structure, and a striking mosaic pattern that responds beautifully to light. Its polished face enhances the depth and saturation of the chromatic layers, making it an eye-catching choice for display or collection.
Ammolite forms through the mineralization of ammonite fossils over millions of years, resulting in a rare gemstone valued for its geological heritage and visual impact. This piece stands out for its luminous sheen, strong color play, and refined presentation—ideal for collectors of rare minerals, fossil gemstones, and natural display material.
A Certificate of Authenticity is included to verify that this ammolite was ethically sourced and legally harvested. As a protected Canadian resource, genuine ammolite requires proper permits for both extraction and export, ensuring only documented and responsibly obtained specimens reach the market.
Please see Additional Info below for video. Specimen will be securely packed, shipped USPS Priority Mail and insured.
Measures approximately 127mm x 108mm (at widest) x 54mm (at thickest)
Weighs .9 kg
FREE shipping/insurance to U.S. residents - WE DO NOT OFFER INTERNATIONAL SHIPPING
This glittering permineralized wood specimen from Saxony, Germany, showcases a rare blend of mineral brilliance and ancient structure. Fine mineral infill highlights the original grain of the wood, creating a natural shimmer that sets this piece apart from standard fossil material. Its sparkling surface and exceptional preservation make it an eye-catching addition for collectors of minerals, fossilized woods, and unique geological formations.
Permineralization occurs when mineral-rich groundwater penetrates buried wood, depositing microscopic crystals within the cellular framework. Over time, these minerals solidify, preserving the wood’s structure while transforming it into a mineralized form. This process creates specimens with both scientific significance and strong visual appeal, particularly when the mineralization produces a glittery or reflective texture.
Sourced from the historic geological region of Saxony, this piece offers a combination of rarity, aesthetic beauty, and mineralogical interest. Ideal for collectors seeking distinctive mineralized specimens, display pieces with natural sparkle, or geological material that bridges the boundary between mineral and fossil.
Please see Additional Info below for video. Specimen will be securely packed, shipped USPS Priority Mail and insured.
Measures approximately 223mm x 117mm x 55mm
Weighs 1.41kg
FREE shipping/insurance to U.S. residents - WE DO NOT OFFER INTERNATIONAL SHIPPING
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Rocksity stands at the intersection of geological expertise and thoughtful curation. We specialize in high-grade, mindfully sourced minerals, crystals and gemstones — carefully selected to meet both the expectations of serious collectors and those attuned to the energetic qualities of crystals. Every specimen is presented with transparency and intention, supporting a broad community of mineral enthusiasts, practitioners, and seekers alike.
