Blue & Purple Fluorite with Golden Yellow Zoning | Wheal Mary Ann, Cornwall

A beautifully contrasting natural fluorite specimen from Wheal Mary Ann, Menheniot, Cornwall, featuring rich violet-blue and deep purple crystalline formations alongside translucent honey-yellow and pale golden sections. Its striking colour distribution, angular crystal structure and naturally weathered surfaces create an eye-catching example of historic Cornish fluorite.

Weighing 145g, this specimen displays an unusual combination of darker blue-purple fluorite concentrated across its upper and central sections, transitioning into lighter yellow and cream-coloured crystalline areas. The contrasting colours, natural fractures and subtle golden-brown mineral staining give the piece considerable visual character.

Specimen Description

This distinctive specimen features a compact, irregular crystalline formation with prominent areas of deep violet-blue, indigo-purple and translucent golden-yellow fluorite.

The darker fluorite is concentrated predominantly across the upper portion, forming a striking contrast against the lighter honey-yellow crystalline material beneath.

Several of the purple-blue sections display angular crystal faces with a subdued glass-like lustre, while others reveal natural surface markings, internal fractures and slightly frosted areas.

The colour varies considerably across the specimen, ranging from smoky lavender-blue and muted violet to deeper indigo-purple and almost charcoal-toned crystalline sections.

These darker areas are interspersed with pale cream and golden-brown mineral coatings, creating a naturally mottled appearance.

One prominent face reveals a dense concentration of purple-blue fluorite with several intersecting crystalline surfaces and darker recessed areas.

Small cavities and natural fractures occur between the crystals, adding depth to the formation and highlighting its rugged geological character.

The opposite side presents a particularly attractive contrast, with a broad section of translucent honey-yellow fluorite occupying much of the lower portion.

This lighter material has a soft golden appearance, with internal crystalline structures and natural cleavage planes visible beneath the surface.

Along the upper edge, darker purple-blue fluorite forms an irregular ridge, with angular faces and naturally fractured sections creating a sculptural silhouette.

The transition between the yellow and purple areas is especially interesting, with the colours meeting along uneven crystal boundaries rather than forming a uniform division.

From above, the specimen reveals an attractive arrangement of deep violet-blue fluorite beside translucent golden-yellow crystalline material.

The upper surface displays a mixture of broad angular faces, smaller interlocking crystal sections and areas of natural mineral coating.

Subtle variations in transparency allow light to pass through some of the yellow sections, revealing internal fractures and changes in colour intensity.

Scattered golden-brown and rusty-orange staining is visible along several crystal boundaries and exposed surfaces.

These earthy tones complement the cooler blue-purple colouring and warmer golden-yellow sections.

The specimen's natural geometry reflects fluorite's cubic crystal system and characteristic cleavage, with numerous angular surfaces visible throughout the formation.

Some areas retain a relatively smooth crystalline appearance, while others display rougher textures associated with natural fracturing and surface alteration.

Measuring 47.7mm × 45.2mm and weighing 145g, this compact specimen offers a particularly appealing combination of colour, texture and natural crystalline structure.

Its distinctive violet-blue and golden-yellow colouration makes it an attractive addition to a collection of British fluorite, Cornish minerals or naturally contrasting crystal specimens.

About Fluorite

Fluorite (CaF₂) is a naturally occurring calcium fluoride mineral belonging to the halide mineral group.

It crystallises in the cubic, or isometric, crystal system and has a Mohs hardness of 4.

Fluorite is celebrated for its extraordinary range of natural colours, including purple, blue, green, yellow, pink, brown and colourless varieties.

Individual specimens may display several colours within the same crystalline formation, sometimes producing distinct bands, zones or irregular transitions.

These colour variations can develop through structural defects, trace impurities and other geological processes affecting the mineral during formation.

Purple and blue fluorite may owe their colouration to complex interactions involving defects within the crystal lattice and naturally occurring impurities.

Yellow fluorite can develop through different colour-producing mechanisms, with shades ranging from pale champagne and lemon-yellow to deeper honey and golden tones.

Fluorite commonly forms in hydrothermal mineral veins, where heated mineral-rich fluids circulate through fractures and cavities in surrounding rocks.

As these fluids cool or undergo chemical changes, dissolved minerals crystallise within the available spaces.

Fluorite frequently occurs alongside quartz, calcite, baryte, galena, siderite and other minerals associated with hydrothermal ore deposits.

One of fluorite's defining physical properties is its perfect octahedral cleavage, which allows the mineral to separate along specific crystallographic planes.

This characteristic can produce distinctive angular fractures, triangular cleavage surfaces and geometric crystalline formations.

Although fluorite commonly forms cubic crystals, its cleavage properties mean naturally fractured specimens can display a wide variety of angular shapes.

Fluorite typically exhibits a vitreous, or glass-like, lustre, although weathered surfaces, mineral coatings and natural alteration may produce frosted or matte appearances.

Some fluorite specimens also exhibit fluorescence under ultraviolet light, although this varies considerably between localities and individual specimens.

Ultraviolet fluorescence has not been confirmed for this particular piece.

Wheal Mary Ann & Cornish Mining Heritage

Wheal Mary Ann is a historic mineral locality situated near Menheniot in south-east Cornwall, England.

The Menheniot district forms part of Cornwall's extensive mining landscape and is particularly associated with historic lead and silver mining.

Although Cornwall is internationally renowned for its tin and copper deposits, the south-eastern part of the county also contains significant lead-bearing mineral veins.

During the nineteenth century, mining operations in the Menheniot area extracted lead ores, particularly galena, which could also contain economically valuable silver.

The mineral veins of the district developed through hydrothermal geological processes, with heated mineral-rich fluids circulating through fractures in the surrounding rocks.

These fluids deposited a varied assemblage of minerals, including quartz, fluorite, galena, siderite, calcite and other associated species.

Wheal Mary Ann is particularly interesting because historical geological studies document complex relationships between successive generations of mineral deposition.

The British Geological Survey's geological memoir covering Plymouth and South-East Cornwall identifies fluorite as an important gangue mineral at Wheal Mary Ann.

Gangue minerals occur alongside economically valuable ores but are not necessarily the principal materials being extracted.

The geological memoir describes quartz as a significant vein-filling mineral, with chalcedonic material occurring along portions of the vein walls.

Crystalline quartz, galena and siderite are also documented within the mineral sequence.

Historical geological observations indicate that at least two generations of fluorite mineralisation occurred at Wheal Mary Ann.

This suggests that the mineral veins experienced multiple episodes of deposition under changing geological conditions.

Such processes can produce complex mineral associations, overlapping crystalline formations and variations in colour or crystal development.

Fluorite from historic Cornish localities is particularly appealing to collectors interested in British mineralogy, geological history and the country's mining heritage.

This specimen offers an attractive example of fluorite attributed to Wheal Mary Ann, with its deep violet-blue crystalline areas, contrasting golden-yellow sections and naturally angular formation.

Intention & Associated Chakras

Within traditional crystal healing practices, fluorite is associated with mental clarity, concentration, emotional balance and calm.

Purple fluorite is commonly connected with the Third Eye Chakra and Crown Chakra, symbolically representing intuition, awareness, reflection and spiritual understanding.

Blue fluorite is traditionally associated with the Throat Chakra, representing communication, self-expression and clear thinking.

Yellow fluorite is often connected with the Solar Plexus Chakra, symbolically representing confidence, personal awareness and mental focus.

The combination of these colours is sometimes interpreted as representing a balance between thoughtful communication, intuition and personal understanding.

• Calm: Traditionally associated with peaceful reflection, emotional balance and a settled mindset.
• Mental Clarity: Symbolically connected with clear thinking, understanding and mental organisation.
• Focus: Traditionally linked with concentration, learning and maintaining attention.
• Intuition: Purple fluorite is associated with awareness, perspective and personal insight.
• Communication: Blue fluorite is traditionally connected with thoughtful expression and understanding.
• Confidence: Yellow fluorite is symbolically associated with self-assurance and personal awareness.
• Spiritual Growth: Purple fluorite is traditionally associated with reflection and spiritual exploration.

Associated Chakras: Third Eye Chakra, Crown Chakra, Throat Chakra and Solar Plexus Chakra.

Primary Intention: Calm and mental clarity.

These associations reflect traditional spiritual beliefs and are not scientifically established effects of fluorite.

Natural Formation & Symbolism

This specimen retains its natural crystalline structure, exposed cleavage surfaces, irregular edges and areas of mineral staining.

The deep violet-blue fluorite creates a dramatic contrast against the softer translucent golden-yellow crystalline sections.

Its compact, angular shape gives the specimen a sculptural appearance, while the varied crystal faces reflect light in subtly different ways.

Natural fractures and internal crystalline structures are visible within several of the lighter sections, creating depth and texture.

The darker purple-blue areas display a combination of smooth crystalline faces, weathered surfaces and smaller interlocking formations.

Golden-brown mineral staining highlights several crystal boundaries and exposed sections, adding warmth to the overall appearance.

Within traditional crystal symbolism, purple fluorite is associated with intuition and reflection, blue fluorite with communication and clarity, and yellow fluorite with confidence and mental focus.

The combination of these colours is sometimes interpreted as representing harmony between intuition, thoughtful expression and personal awareness.

Beyond its symbolic associations, the specimen's appeal lies in its beautiful natural colour contrast, distinctive crystalline geometry and connection to Cornwall's historic mineral-producing landscape.

Specimen Details

• Mineral: Fluorite
• Chemical Formula: CaF₂
• Mineral Group: Halides
• Crystal System: Cubic (Isometric)
• Mohs Hardness: 4
• Supplied Locality Attribution: Wheal Mary Ann
• Location: Menheniot, Cornwall, England
• Weight: 145g
• Dimensions: 47.7mm × 45.2mm
• Formation: Natural fluorite specimen
• Colour: Violet-blue, indigo-purple, lavender, honey-yellow, cream and golden-brown
• Features: Contrasting purple-blue and golden-yellow fluorite, translucent crystalline sections, natural colour zoning, angular cleavage surfaces, internal fractures and mineral staining
• Shape: Raw
• Finish: Natural, unpolished
• Quantity: One individual specimen

You will receive the exact specimen photographed. Natural mineral specimens may display irregular edges, fractures, inclusions, uneven surfaces, mineral staining and delicate crystalline formations.

The acrylic display support, wooden plinth and decorative flowers shown in the photographs are not included.

Sources & References

1. British Geological Survey – Plymouth and South-East Cornwall Area, Geological Memoir (Sheet 348). Geological documentation describing the Menheniot mineral veins, Wheal Mary Ann mineralisation and multiple generations of fluorite formation.
   British Geological Survey Geological Memoir
2. British Geological Survey – Silver, Mineral Resources Consultative Committee Mineral Dossier. Geological and historical information concerning the Menheniot lead-silver mining district.
   British Geological Survey Silver Mineral Dossier
3. Mindat – Wheal Mary Ann, Menheniot, Cornwall. Mineral locality database documenting fluorite and associated mineral species.
   Wheal Mary Ann Mineral Locality
4. University of Cambridge – Fluorite Mineral Collection. Mineralogical information concerning fluorite's chemical composition, crystal system, cleavage and physical properties.
   University of Cambridge Fluorite Collection
5. Henwood, W. J. (1871). Observations on Metalliferous Deposits: On the Lead Mines of Menheniot, Lanreath and Saint Pinnock. Transactions of the Royal Geological Society of Cornwall, Volume 8, pages 699–722.