Agate after Baryte pseudomorph geode pair – a new find from Green River, Grand County, Utah, USA. Starting out as a Baryte nodule, over time mineral and silica rich water has managed to infiltrate, replacing the Baryte with Agate. Featuring striking colour and texture contrast, semi-polished to best showcase the inside of the geode.
Only 1 left in stock
An exceptional pseudomorph specimen from a recently documented find at Green River, Grand County, Utah. These specimens formed as Agate after Baryte, preserving the original Baryte nodule morphology while fully replaced by silica-rich agate. The result is a striking mineral transformation that combines the sculptural form of Baryte with the durability, colour, and subtle banding characteristic of Agate.
The exterior retains the distinctive nodular and bladed formation of the original Baryte, while the polished internal structures reveal contrasting colours and patterns of the Agate. Each specimen is unique, offering a tangible record of mineral replacement processes preserved in fine detail.
These pseudomorphs originated as Baryte nodules within sedimentary environments associated with the Green River area. Over time, mineral- and silica-rich fluids infiltrated the nodules, gradually dissolving and replacing the Baryte with microcrystalline quartz (agate), while retaining the original external form. Such complete and well-preserved pseudomorphic replacement is uncommon and provides an excellent example of geochemical alteration in sedimentary settings.
As a new find, material from this occurrence is currently limited, making these specimens particularly appealing to collectors interested in unusual mineral processes and emerging localities.
Agate pseudomorph after Baryte
Preservation of original Baryte nodule form
Silica replacement with natural agate banding
Semi-polished
Green River, Utah locality
Illustrates a clear and complete pseudomorphic mineral replacement
Combines aesthetic appeal with geological interest
From a recently documented, new and limited occurrence
Suitable for educational, scientific, and display collections
Unsurprisingly, pseudomorphs are hailed as one of the best crystals for transformation, change and manifestation. A crystal of power and perseverance with the properties of both Agate and Baryte, offering stability, clarity and perspective.
| Weight | 0.170 kg |
|---|---|
| Dimensions | 5.5 × 4.5 × 6 cm |
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