Natural Citrine Rough Crystal Congo Yellow Quartz Mineral Specimen

Natural Citrine Rough Crystal – Quartz Mineral from Congo

This Natural Citrine specimen is a rough, unpolished crystal formed from the yellow variety of quartz known as citrine. The specimen retains its natural crystal structure and surface texture, making it an appealing piece for mineral collectors, geological enthusiasts, and those interested in raw mineral formations.

Unlike polished stones, rough citrine crystals preserve the original growth patterns created during crystallisation deep within the Earth. The irregular surfaces and natural termination faces provide a clear view of the crystal’s geological origin and natural mineral development.

The photographs in this listing show the actual specimen you will receive, allowing collectors and buyers to inspect the crystal’s natural colour, structure, and surface features before purchase.

This crystal is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card.

Please refer to the photographs for full sizing and scale.

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Mineral Identification – Citrine Quartz

Citrine is the yellow to golden variety of quartz, a mineral composed of silicon dioxide and one of the most abundant minerals found in the Earth’s crust. Natural citrine occurs when trace amounts of iron are present within the quartz crystal lattice during formation.

Key mineralogical characteristics include:

• Mineral Name: Quartz

• Variety: Citrine

• Chemical Formula: SiO₂ (Silicon Dioxide)

• Mineral Class: Silicate

• Crystal System: Trigonal

• Hardness: 7 on the Mohs scale

• Lustre: Vitreous

• Transparency: Transparent to translucent

Quartz crystals commonly form six-sided prismatic structures with pyramidal terminations when allowed to grow freely in open cavities within rock formations.

Natural citrine crystals can display colour ranges from pale yellow to deeper golden or honey tones depending on the concentration of trace iron within the crystal structure.

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Geological Formation of Citrine

Citrine forms through geological processes involving silica-rich fluids circulating through cracks and cavities in rock formations. As these fluids cool or pressure conditions change, dissolved silica crystallises to form quartz.

In the case of citrine, the presence of iron impurities during crystal growth contributes to the yellow colouration. These conditions typically occur in hydrothermal environments associated with volcanic or igneous activity.

Natural citrine may form in several geological settings, including:

• Hydrothermal veins within igneous rock

• Pegmatite formations rich in silica minerals

• Volcanic rock cavities where crystals grow inward

• Metamorphic rock environments

Quartz crystals forming in these environments may develop alongside other minerals such as:

• Feldspar

• Tourmaline

• Calcite

• Fluorite

• Mica

These mineral associations reflect the complex chemical conditions present during the formation of quartz-bearing deposits.

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Natural Colour and Crystal Characteristics

Natural citrine crystals typically display colours ranging from soft yellow to deeper golden shades. The colour may appear uniform or slightly zoned depending on variations in trace element concentration during growth.

Common natural features found in rough citrine crystals include:

• Natural growth striations along prism faces

• Internal veils or wispy inclusions

• Mineral inclusions formed during crystallisation

• Natural fracture lines created by geological stress

These internal and external features are normal characteristics of natural quartz crystals and contribute to the individuality of each specimen.

The rough surface of this specimen preserves the original crystal growth patterns that formed during its geological history.

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Mineral Collecting and Display

Rough citrine specimens are widely appreciated by mineral collectors because they preserve the natural crystal form and geological characteristics of quartz. Unlike polished stones, raw crystals show the original mineral structure produced by natural geological processes.

This specimen may be suitable for:

• Mineral and crystal collections

• Quartz variety collections

• Geological study displays

• Natural mineral cabinets

• Unique natural gift items

In some traditions, citrine crystals are traditionally associated with symbolic or spiritual interpretations, although these associations are belief-based rather than scientific explanations.

Because the listing photographs show the actual specimen, buyers can purchase with confidence knowing the exact mineral piece they will receive.

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Authentic Natural Mineral Specimen

This Natural Citrine Rough Crystal from Congo is a genuine quartz mineral specimen, carefully selected for its natural colour and crystal structure.

The piece includes a Certificate of Authenticity lifetime guarantee generic card, confirming the authenticity of the mineral specimen.

Please review the listing photographs for full sizing and scale, as they form part of the description and clearly show the exact specimen available for purchase.