Natural Citrine Rough Crystal Congo Quartz Mineral Specimen Raw Citrine Stone


£ 19.20

NATURAL ROUGH CITRINE CRYSTAL FROM CONGO

This Natural Citrine Rough Crystal is a genuine quartz mineral specimen sourced
from Congo, a region known for producing high-quality natural citrine crystals from hydrothermal quartz deposits. Presented in its natural rough form, the crystal retains the original structure created during geological formation, making it a desirable piece for mineral collectors and natural crystal enthusiasts.

Unlike polished or cut gemstones, this specimen remains unmodified and naturally formed, allowing the internal structure, colour zoning, and natural crystal faces to be clearly visible. The crystal displays the characteristic golden-yellow to honey tones associated with natural citrine.

The photograph included in the listing shows the actual specimen you will receive, allowing collectors to view the precise colour, crystal structure, and natural features prior to purchase.

This crystal includes a Certificate of Authenticity lifetime guarantee generic card, confirming that the mineral is a genuine natural specimen.

MINERAL SPECIES AND CRYSTAL CLASSIFICATION

Citrine is a variety of quartz, composed primarily of silicon dioxide (SiO₂) and belonging to the silicate mineral group, the most abundant class of minerals found in the Earth's crust.

Citrine forms within the trigonal crystal system, producing prismatic crystals with six-sided symmetry and pointed terminations when conditions allow unrestricted growth.

Key mineralogical characteristics include:


• Mineral Species: Quartz
• Variety: Citrine
• Chemical Composition: Silicon dioxide (SiO₂)
• Crystal System: Trigonal
• Hardness: 7 on the Mohs scale
• Lustre: Vitreous
• Transparency: Transparent to translucent

The yellow colour of citrine is typically caused by trace amounts of iron within the quartz structure, which undergo natural oxidation processes during crystal formation.

GEOLOGICAL FORMATION OF NATURAL CITRINE

Natural citrine forms in hydrothermal quartz veins and pegmatitic environments where silica-rich fluids circulate through fractures within host rock. As these fluids cool slowly, quartz crystals begin to grow along the walls of cavities and fractures.

The distinctive yellow coloration occurs when trace iron within the quartz undergoes natural geological heating and oxidation during formation deep within the Earth’s crust.

These conditions allow the development of well-defined crystals with natural growth features such as:


• Prismatic crystal forms
• Natural terminations
• Internal mineral inclusions
• Growth striations along crystal faces

Citrine deposits occur in several regions worldwide, but Central Africa, including Congo, is known for producing natural citrine crystals that retain their natural colour without artificial enhancement.

COLOUR AND NATURAL CRYSTAL CHARACTERISTICS

Natural citrine displays a colour range from pale yellow to deep golden amber, depending on the concentration of iron within the quartz during formation.

Typical visual features of natural citrine include:


• Warm yellow to honey-coloured tones
• Transparent to translucent crystal sections
• Natural crystal faces and growth patterns
• Internal inclusions created during crystal growth

Because the crystal has not been cut or polished, the specimen preserves its original mineral form as created through geological processes.

The rough texture and natural surfaces make it especially appealing to collectors who prefer unaltered mineral specimens.

CONGO QUARTZ DEPOSITS

Quartz deposits in the Democratic Republic of Congo occur within hydrothermal vein systems and pegmatite formations, where silica-rich fluids crystallise into quartz under stable temperature and pressure conditions.

These environments often produce well-formed quartz crystals that may include several varieties, such as:


• Clear quartz
• Smoky quartz
• Citrine quartz

Congo has become recognised among mineral collectors for producing natural quartz specimens with well-preserved crystal shapes and attractive colouration.

SPECIMEN DETAILS AND AUTHENTICITY

This Natural Citrine Rough Crystal is a genuine mineral specimen selected for its natural colour and geological structure.

Product details:


• Mineral: Quartz
• Variety: Natural Citrine
• Origin: Congo
• Crystal System: Trigonal
• Hardness: 7 Mohs
• Form: Natural rough crystal specimen

Each specimen forms naturally within geological environments, meaning every crystal will display unique colour variations, crystal faces, and internal inclusions.

The listing photograph shows the exact specimen you will receive, ensuring full transparency for collectors and buyers.

The crystal includes a Certificate of Authenticity lifetime guarantee generic card, confirming that the specimen is a genuine natural mineral.

IDEAL FOR MINERAL COLLECTORS AND GEOLOGICAL DISPLAYS

Natural citrine quartz is highly appreciated by mineral collectors for its attractive colour, durable quartz composition, and well-preserved crystal structure.

This specimen is suitable for:


• Mineral and crystal collections
• Geological specimen displays
• Educational mineral study
• Natural stone décor
• Unique collector gift items

With its natural rough crystal structure, warm golden quartz colouration, and Congo origin, this Natural Citrine Rough Crystal represents a striking example of naturally formed quartz preserved in its original geological state.