Sphalerite Crystal Denbighshire UK Natural Zinc Sulfide Mineral Specimen From Alice Purnell Collection with Certificate of Authenticity

Genuine Sphalerite Crystal Specimen – Denbighshire, United Kingdom

This excellent Sphalerite specimen originates from Denbighshire, UK, a region with a long and important history of mineral mining and classic British ore deposits. Carefully selected from the Alice Purnell Collection, this is a genuine natural mineral specimen and includes a Certificate of Authenticity lifetime guarantee generic card. The photographs show the exact specimen you will receive, and full sizing details can be seen clearly in the listing images.

Sphalerite is a highly collectible mineral, valued for its rich colour tones, high lustre, and significance as one of the world’s primary zinc ore minerals. British sphalerite specimens are especially desirable for collectors of UK locality minerals and historic mining regions.

Mineral Information – Sphalerite (Zinc Sulfide)

Sphalerite is a zinc sulfide mineral with the chemical formula ZnS. It crystallises in the cubic crystal system and commonly forms tetrahedral or dodecahedral crystal habits, as well as granular or massive aggregates.

The mineral is well known for its resinous to adamantine lustre, which can appear exceptionally bright on well-formed crystal faces. Colour in sphalerite varies widely depending on iron content, ranging from honey-yellow and amber to deep brown or nearly black.

Sphalerite has a Mohs hardness of approximately 3.5 to 4, meaning it should be handled with care to preserve crystal surfaces. It also has notable cleavage, which contributes to its reflective internal appearance when viewed under light.

Geological Context – Denbighshire Ore Deposits

Denbighshire, located in North Wales, is part of a historically important mining district known for lead and zinc mineralisation. Sphalerite in this region typically forms within hydrothermal vein systems hosted in limestone and other sedimentary rocks.

These mineral veins developed when hot, mineral-rich fluids moved through fractures in the bedrock, depositing sulfide minerals as temperatures and chemical conditions changed. Over time, this process produced classic ore minerals such as sphalerite, galena, and chalcopyrite, often accompanied by calcite, fluorite, or baryte.

Specimens from Denbighshire reflect the rich industrial and geological heritage of Welsh mining areas, making them especially appealing to collectors interested in UK mineral localities.

Collector Appeal and Display Qualities

Sphalerite is prized both for its scientific importance and its visual presence. Its lustrous surfaces and warm colour tones make it an eye-catching addition to any mineral collection.

This specimen is ideal for:

• UK and Welsh locality mineral collectors

• Collectors of classic sulfide minerals

• Educational geology and mining history displays

• Natural history enthusiasts

• Unique gifts for serious mineral collectors

Sphalerite has also been traditionally associated with spiritual symbolism in some cultures, though it is primarily valued today for its mineralogical significance, ore history, and striking natural lustre.

Authenticity and Provenance

This sphalerite specimen is a genuine natural mineral from Denbighshire, UK, and comes from the Alice Purnell Collection. It includes a Certificate of Authenticity lifetime guarantee generic card, confirming its authenticity as a real mineral specimen.

You will receive the exact piece shown in the photographs, carefully chosen for its quality, locality interest, and collector presentation.

A Denbighshire sphalerite specimen represents a classic piece of British mineral heritage, combining geological significance with the rich history of zinc and lead mining in North Wales.