Stilbite and Chabazite Crystal Isle of Skye Scotland Specimen

Stilbite and Chabazite – Isle of Skye, Scotland

This Stilbite and Chabazite crystal specimen from the Isle of Skye, Scotland is a genuine natural mineral example, selected for its crystal definition, aesthetic mineral association, and classic British locality appeal. The photographs in the listing show the exact specimen you will receive. Please refer to the images for full sizing and scale details.

Each piece includes a Certificate of Authenticity lifetime guarantee generic card, confirming its authenticity as a genuine mineral specimen.

Mineral Species & Crystal Structure

Stilbite is a hydrous sodium calcium aluminium silicate belonging to the zeolite group, with the general chemical formula NaCa₂Al₅Si₁₃O₃₆·14H₂O. It crystallises in the monoclinic crystal system and commonly forms sheaf-like, bow-tie, or fan-shaped aggregates of thin tabular crystals. Stilbite has a Mohs hardness of approximately 3.5–4 and a vitreous to pearly lustre.

Chabazite is also a member of the zeolite group, typically with the formula CaAl₂Si₄O₁₂·6H₂O, though sodium and potassium variants are also known. It crystallises in the trigonal crystal system and is commonly found forming rhombohedral crystals with well-defined faces. Chabazite has a Mohs hardness of around 4–5 and a vitreous lustre.

The combination of stilbite’s delicate sheaf-like formations and chabazite’s geometric rhombohedra creates a visually attractive and mineralogically significant association.

Colour, Transparency & Natural Characteristics

Stilbite from the Isle of Skye often displays soft peach, cream, white, or pale pink tones, while chabazite may range from colourless to white, pale pink, or light orange depending on trace elements and formation conditions.

This specimen may show translucent crystal edges, subtle internal inclusions, and natural growth features typical of zeolite minerals formed within volcanic cavities. The contrasting crystal habits — radiating stilbite clusters alongside sharply defined chabazite crystals — provide visual texture and depth.

Minor contact points or matrix attachment areas are natural and reflect the geological environment in which the minerals developed. No artificial dyes or enhancements have been applied.

Geological Origin – Isle of Skye

The Isle of Skye, located in Scotland’s Inner Hebrides, is internationally recognised for its classic zeolite mineral occurrences. The island’s geology is dominated by basalt lava flows formed during the Paleogene period as part of the North Atlantic Igneous Province.

Gas bubbles trapped within cooling basalt created vesicles and cavities. Over time, mineral-rich hydrothermal fluids circulated through these openings, depositing zeolite minerals such as stilbite and chabazite along cavity walls.

These secondary minerals formed under low-temperature hydrothermal conditions, often producing well-developed crystals within amygdaloidal basalt. Isle of Skye zeolites are highly regarded among collectors for their aesthetic formations and historic mineralogical significance.

Collecting, Display & Educational Value

A Stilbite and Chabazite specimen from the Isle of Skye is an excellent addition to mineral cabinets, British mineral collections, and educational geology displays. The contrasting crystal systems — monoclinic stilbite and trigonal chabazite — provide a valuable example of zeolite group diversity.

In some traditions, zeolite minerals are traditionally associated with calm and balance; however, they are primarily valued as naturally formed volcanic cavity minerals and classic representatives of hydrothermal alteration processes.

This carefully chosen specimen makes a distinctive gift for mineral collectors, geology enthusiasts, or those interested in classic Scottish localities.

Authenticity & Presentation

• Genuine Stilbite and Chabazite Crystal Specimen
• Isle of Skye, Scotland
• Zeolite Group Minerals
• Natural, untreated mineral specimen
• Exact specimen shown in listing photographs
• Includes Certificate of Authenticity lifetime guarantee generic card
• Full measurements available in listing images

A carefully selected classic Isle of Skye zeolite specimen showcasing the unique volcanic geology and mineral heritage of Scotland.