Description
Mineral Specimen Overview
This mineral specimen is identified as a combination of Calcite, Dolomite, Baryte and Quartz from Taff's Well Quarry, Cardiff, Wales, UK. The association brings together four well-known mineral species in one geological specimen, making it an appealing choice for mineral collectors, geology enthusiasts, educational displays and natural decorative collections.
The specimen is from the Alice Purnell Collection, adding collection context to this piece. It is supplied as the actual specimen shown in the listing photographs, allowing the colour, crystal arrangement, surface character and overall form to be assessed directly before purchase.
Mineral Identification
Calcite and Dolomite are carbonate minerals. Calcite is composed of calcium carbonate, while Dolomite is a calcium magnesium carbonate mineral. Baryte is a barium sulfate mineral, and Quartz is a silicon dioxide mineral. These distinct mineral species can occur together in geological environments where mineral-bearing fluids and rock chemistry allow different minerals to crystallise or accumulate in the same area.
Natural mineral specimens can show variation in colour, lustre, transparency, crystal form, surface texture and matrix character. These features are part of the natural individuality of a geological specimen. The listing photographs should be used as the primary reference for the exact appearance and arrangement of this piece.
Locality and Geological Interest
Taff's Well Quarry is located near Cardiff in Wales, UK. A named quarry locality provides useful geological context for collectors because it connects the specimen to a specific place within the landscape. The Calcite, Dolomite, Baryte and Quartz association is of interest for observing how different mineral species may be represented together within one collected specimen.
This piece can be used to support mineral identification practice, introductory geology study or a personal reference collection. It also makes a distinctive display item for a cabinet, study, office, classroom or geology-themed interior. Its value as a specimen lies in the natural mineral combination, locality information and the individual characteristics visible in the photographs.
Collection and Display
The specimen is suitable for collectors who appreciate named mineral associations and locality-based material. It can be displayed alongside other Welsh minerals, quarry specimens, carbonate minerals, sulfate minerals or quartz-bearing pieces. For educational use, the specimen provides a practical example of comparing different mineral groups and considering how mineral associations are recorded in geological collecting.
Handle the specimen carefully and display it on a stable surface away from knocks and unnecessary abrasion. Natural mineral surfaces may include irregular edges or delicate crystal details, so careful handling helps preserve the features visible in the photographs.
Certificate and Photograph Information
This Crystal is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.
The photograph shows the actual specimen you will receive.
Full sizing is shown in the photographs.







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