Grade A Fluorite Slice with Phantom Afghanistan High Luster Specimen

Grade A Fluorite Slice with Phantom – High Luster – Afghanistan

This Grade A Fluorite slice with phantom from Afghanistan is a genuine natural mineral specimen, selected for its clarity, internal phantom structure, and exceptional surface luster. 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 it as a genuine fluorite specimen from Afghanistan.

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Mineral Species & Crystal Structure

Fluorite is a calcium fluoride mineral with the chemical formula CaF₂. It crystallises in the isometric (cubic) crystal system and is most commonly known for forming cubic crystals, though octahedral forms and complex modifications may also occur.

With a Mohs hardness of 4, fluorite is valued for its smooth cleavage surfaces, geometric crystal habit, and wide range of colours. It displays a vitreous luster, and high-quality specimens from Afghanistan are especially prized for their bright, reflective surfaces.

Fluorite exhibits perfect octahedral cleavage in four directions, which allows it to be naturally split into flat surfaces. In sliced specimens, these cleavage planes can reveal remarkable internal structures such as zoning and phantom growth patterns.

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Phantom Formation & Optical Features

The defining feature of this specimen is the visible phantom structure within the fluorite. A phantom forms when crystal growth temporarily pauses and then resumes, trapping an earlier growth stage within the developing crystal. This results in a distinct internal outline or geometric shadow that mirrors the crystal’s original shape.

Phantom fluorite provides insight into fluctuating environmental conditions during crystallisation, such as changes in temperature, fluid chemistry, or trace element concentration. These growth stages are naturally preserved within the crystal and are highly desirable among collectors.

The high luster of this slice enhances visibility of the phantom effect, particularly under direct lighting, where internal zoning and geometric outlines become more pronounced.

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Colour, Transparency & Natural Characteristics

Afghan fluorite can range in colour from green and purple to colourless or softly zoned varieties. In sliced form, colour zoning and internal clarity are often more visible than in fully intact cubic crystals.

This Grade A specimen has been selected for strong transparency, well-defined phantom structure, and polished surfaces that highlight its natural internal features. Minor inclusions or subtle growth lines may be visible and are natural characteristics formed during crystallisation.

No artificial dyes or enhancements have been applied. The slice retains its natural colour and structural features.

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Geological Origin – Afghanistan

Afghanistan is internationally recognised for producing high-quality fluorite from hydrothermal vein systems. In these geological environments, calcium- and fluorine-rich fluids circulate through fractures within host rock, gradually depositing fluorite crystals in cavities.

Variations in mineral chemistry during growth can lead to colour zoning and phantom formation. The region’s complex tectonic and hydrothermal history provides ideal conditions for the development of well-formed, high-luster fluorite specimens.

Fluorite from Afghanistan is highly regarded in the mineral collecting community due to its clarity, colour vibrancy, and distinctive internal features.

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Collecting, Display & Educational Value

A Grade A Fluorite slice with phantom is an excellent addition to mineral cabinets, educational collections, or display settings. The flat, polished surface allows the internal growth structure to be clearly observed, making it ideal for demonstrating crystal development and mineral zoning.

In some traditions, fluorite is traditionally associated with clarity and focus; however, it is primarily valued as a naturally formed mineral specimen and an example of hydrothermal crystal growth processes.

This carefully chosen piece makes a distinctive gift for mineral collectors, geology enthusiasts, or those interested in unique crystal formations.

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Authenticity & Presentation

• Genuine Grade A Fluorite Slice with Phantom
• Sourced from Afghanistan
• High luster, polished slice
• Isometric cubic crystal system (CaF₂)
• 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 Afghan fluorite specimen showcasing natural phantom growth and exceptional luster, representing the geological richness of its origin.