Fluorite | Wheal Mary Ann Mine, Menheniot, Cornwall

A beautiful natural Fluorite specimen attributed to Wheal Mary Ann Mine in Menheniot, Cornwall. Featuring translucent honey-coloured mineral formations, warm golden-orange iron staining and a fascinating response under ultraviolet light, this piece is a lovely addition to our Cornish Mineral Collection.

Specimen Description

Weighing approximately 70g, this raw Fluorite specimen displays an irregular, richly textured formation combining translucent pale yellow and champagne-coloured areas with deeper amber and rusty-orange mineral staining.

The specimen features several intergrown crystalline sections, with glassy translucent surfaces, angular cleavage features and smaller sparkling crystalline areas. Natural cavities and uneven crystal growth create depth throughout the piece, while the contrasting iron-rich staining highlights its rugged, unpolished appearance.

Under ultraviolet illumination, the specimen displays areas of bright bluish-white luminescence against the darker violet-blue lighting, as shown in the accompanying photograph. The intensity and appearance of this response may vary depending on the wavelength and strength of the UV light used.

This contrast between its warm, earthy appearance in daylight and its striking reaction under UV light makes it particularly interesting for collectors of British minerals and fluorescent specimens.

About the Mineral | Fluorite

Fluorite is a calcium fluoride mineral with the chemical formula CaF₂. It belongs to the cubic crystal system and is widely recognised for its remarkable range of colours, transparency and optical properties.

Fluorite commonly forms in hydrothermal veins when calcium- and fluorine-bearing mineral-rich fluids circulate through fractures and cavities in surrounding rock.

Its crystals frequently develop as cubes or octahedra, although massive and intergrown formations are also common. Fluorite has perfect octahedral cleavage, which can produce smooth, angular surfaces when the mineral fractures.

Fluorite has a Mohs hardness of 4, making it softer than Quartz and relatively susceptible to scratching or chipping.

One of Fluorite's most interesting characteristics is its ability to fluoresce under ultraviolet light. The term fluorescence takes its name from Fluorite, although not all specimens exhibit this property.

Fluorescence occurs when certain impurities or structural defects within the crystal absorb ultraviolet radiation and emit visible light. The resulting colours and intensity vary between individual specimens.

Mine History & Heritage | Wheal Mary Ann, Menheniot

Wheal Mary Ann is a historic mine locality associated with the Menheniot area of south-east Cornwall, a district with a longstanding connection to metalliferous mining.

The wider Menheniot and Liskeard region developed around mineral-bearing geological structures associated with Cornwall's granite-related hydrothermal systems.

During the eighteenth and nineteenth centuries, mining activity across this part of Cornwall contributed to the county's reputation as an internationally important centre of copper and other metal production.

The district contains numerous historic mines and mineral workings, reflecting the extensive exploration of underground mineral veins during Cornwall's industrial mining era.

Fluorite occurs within Cornwall's mineralised vein systems and is an important associated mineral at a number of historic Cornish localities.

Specimens attributed to Wheal Mary Ann are of particular interest to collectors seeking minerals connected with individual Cornish mines rather than specimens identified only by county.

These historic localities preserve a connection between Cornwall's remarkable geology and the generations of miners who worked its underground mineral deposits.

Provenance note: This specimen is supplied with the locality attribution Wheal Mary Ann, Menheniot, Cornwall. Its precise extraction date, underground working and collection history are not documented.

Crystal Properties & Traditional Associations

Intention: Calm, Clarity & Spiritual Growth

Within traditional crystal practices, Fluorite is associated with mental clarity, emotional balance and organised thinking.

It is often used symbolically to encourage focus, reduce feelings of overwhelm and support thoughtful decision-making.

Golden and yellow-toned Fluorite is additionally associated with confidence, creativity and personal motivation.

These associations originate from spiritual traditions and personal beliefs rather than scientifically established effects.

Associated Chakras

Solar Plexus Chakra & Third Eye Chakra

The warm golden colouring of this specimen is traditionally connected with the Solar Plexus Chakra, associated with confidence, personal power and determination.

Fluorite more generally is also linked with the Third Eye Chakra, symbolically representing clarity, intuition and understanding.

Shape Symbolism | Raw Mineral Specimen

Raw crystals are traditionally associated with authenticity, natural strength and connection to the Earth.

Unlike polished or carved pieces, this specimen retains its irregular geological form, natural fractures and mineral textures, making each viewing angle different.

Specimen Details

• Mineral: Fluorite
• Chemical Formula: CaF₂
• Mine: Wheal Mary Ann
• Locality: Menheniot, Cornwall, England
• Weight: 70g
• Dimensions: Approximately 37.2mm × 48.3mm
• Crystal System: Cubic
• Mohs Hardness: 4
• Colour: Pale honey, champagne, golden yellow and orange-brown
• UV Response: Visible luminescent areas under the photographed UV lighting
• Formation: Natural mineral specimen
• Finish: Raw and unpolished
• Condition: Natural fractures, irregular edges, mineral staining and surface textures
• Quantity: One individual specimen

You will receive the exact specimen photographed.

Crystal Care

Fluorite is a relatively soft mineral and should be handled carefully to protect its natural edges and crystalline surfaces.

Avoid prolonged exposure to direct sunlight, excessive heat, harsh cleaning products and sudden temperature changes.

Clean gently using a soft, dry brush and store away from harder minerals that may scratch its surface.