Mordenite Crystal Mineral Specimen Natural Zeolite Cluster Display Stone 35-70mm

Genuine Mordenite Mineral Specimen – Natural Zeolite Crystal

This listing is for a genuine Mordenite mineral specimen, a naturally occurring zeolite crystal prized by collectors for its delicate fibrous formations and geological interest. The specimen size ranges approximately 35–70mm. The photograph shown represents an example of the actual piece you will receive, and each specimen is carefully chosen for its crystal texture, structure, and display quality.

Your mineral includes a Certificate of Authenticity lifetime guarantee generic card, confirming it is a genuine natural specimen. Full sizing and scale can be seen clearly in the photographs.

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Mineral Species & Scientific Classification

Mordenite is a member of the zeolite mineral group, which consists of hydrated aluminosilicate minerals formed in volcanic and sedimentary environments. Zeolites are well known for their open framework crystal structures and distinctive crystal habits.

Key mineral information:

• Mineral Species: Mordenite

• Mineral Group: Zeolite

• Chemical Formula: (Na,K,Ca)Al₂Si₁₀O₂₄·7H₂O

• Crystal System: Orthorhombic

• Hardness: 3–4 on the Mohs scale

• Lustre: Vitreous to silky

• Transparency: Translucent to opaque

• Typical Colour: White, cream, pale beige, sometimes with grey tones

Mordenite commonly forms in fibrous or needle-like crystal aggregates, giving specimens an attractive soft crystalline appearance.

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Geological Formation & Zeolite Environments

Mordenite forms primarily in volcanic settings where silica-rich fluids interact with basaltic rocks over time. It develops as a secondary mineral in cavities, fractures, and vesicles within volcanic lava flows.

Typical formation environments include:

• Basaltic lava cavities

• Hydrothermal alteration zones

• Volcanic tuffs and ash deposits

• Low-grade metamorphic settings

As hot mineral-rich fluids circulate through volcanic rock, they deposit zeolite minerals such as mordenite, often alongside other secondary silicates.

Associated minerals may include:

• Stilbite

• Heulandite

• Calcite

• Quartz

• Apophyllite

These associations make zeolite specimens highly desirable for collectors of volcanic cavity minerals.

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Crystal Habit & Natural Appearance

Mordenite is valued for its distinctive crystal textures, often appearing as:

• Fine fibrous sprays

• Needle-like crystal bundles

• Radiating crystal clusters

• Soft white to cream mineral coatings

Specimens may show a silky sheen when light reflects off the fibrous crystal surfaces. Natural variations in texture and density are expected and confirm the authenticity of the mineral’s formation.

Each piece is completely natural and untreated, preserving its delicate crystalline structure.

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Size & Display Appeal (35–70mm)

With a size range of approximately 35–70mm, this mordenite specimen is an excellent display size for:

• Mineral and zeolite collections

• Cabinet specimen arrangements

• Educational geology displays

• Volcanic mineral study sets

• Unique gifts for collectors

Its larger size allows the fibrous crystal habit to be appreciated clearly, making it a standout specimen among zeolite minerals.

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Collecting & Traditional Associations (Non-Medical)

Mordenite is sought after by mineral collectors for its classic zeolite crystal habit and its formation within volcanic geological environments. Zeolites are also scientifically important due to their porous framework structures.

In spiritual traditions, zeolite minerals are sometimes traditionally associated with clarity symbolism, though this listing presents the specimen strictly as a natural mineral collectible without any medical or outcome-based claims.

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Authenticity & Product Details

• Genuine Mordenite mineral specimen

• Size Range: Approximately 35–70mm

• Natural zeolite crystal formation

• Carefully selected collector piece

• Includes Certificate of Authenticity lifetime guarantee generic card

• Photo shows an example of the actual specimen you will receive

A beautiful natural mordenite zeolite specimen featuring delicate fibrous crystal structure, ideal for collectors of volcanic cavity minerals and unique geological formations.