Description
Amethyst Obelisk Point – Polished Purple Quartz Crystal Tower
This genuine Amethyst Obelisk Point is a polished mineral specimen crafted from natural amethyst, the purple variety of quartz. The stone has been shaped into a standing obelisk tower with multiple polished faces that taper toward a pointed tip, highlighting the natural colour and internal structure of the mineral. Amethyst is one of the most recognised quartz varieties and is valued by collectors for its distinctive purple tones and geological formation within volcanic environments.
The photographs in this listing show the exact specimen you will receive, allowing buyers to observe the colour variations, clarity, and polished finish of the crystal prior to purchase. For accurate dimensions and scale, please refer to the sizing visible in the listing photographs.
Each specimen includes a Certificate of Authenticity lifetime guarantee generic card, confirming that the crystal is a genuine natural mineral specimen.
Mineral Species and Geological Classification
Amethyst is the purple variety of quartz, a mineral composed of silicon dioxide (SiO₂). Quartz belongs to the tectosilicate mineral group, which forms a three-dimensional framework of interconnected silica tetrahedra.
Quartz crystallises in the trigonal crystal system and commonly forms hexagonal prismatic crystals with pointed terminations when grown naturally in open cavities. In polished specimens such as obelisks or towers, the natural quartz material is shaped to emphasise the colour and internal mineral features.
Amethyst’s distinctive purple colour is produced by trace amounts of iron within the crystal lattice combined with natural irradiation during geological formation. Variations in the concentration of these trace elements can produce a range of purple tones from pale lilac to deep violet.
Colour Variations and Crystal Characteristics
Amethyst is known for its purple colour spectrum, which may include shades of lavender, violet, deep purple, and occasionally subtle colour zoning within the same stone. Natural amethyst often displays slight variations in colour intensity depending on crystal growth conditions and mineral composition.
The mineral typically exhibits a vitreous lustre and can range from transparent to translucent depending on internal inclusions or natural growth features. Some specimens display subtle internal veils, mineral inclusions, or colour banding that formed as the crystal developed.
Quartz has a Mohs hardness of 7, making it relatively durable compared to many other minerals and suitable for shaping into polished forms such as obelisks, towers, or decorative mineral carvings.
Geological Formation of Amethyst
Amethyst commonly forms within volcanic rock cavities, particularly inside basalt flows where gas bubbles become trapped as molten lava cools. These cavities, known as vesicles, later become filled with mineral-rich groundwater.
Over long geological periods, silica-rich solutions deposit quartz crystals along the cavity walls. When trace amounts of iron are present in the mineral solution, the resulting quartz crystals may develop the purple colour characteristic of amethyst.
Amethyst crystals are often found growing alongside other minerals such as quartz, calcite, chalcedony, and agate, depending on the geological environment.
Many well-known amethyst deposits occur in volcanic regions where hydrothermal fluids interact with cooling basalt formations.
Obelisk Shape and Display Characteristics
This specimen has been cut and polished into an obelisk point, a geometric form with flat faces that taper toward a pointed apex. The shape allows the stone to stand upright while showcasing the colour and internal features of the quartz.
Obelisks are commonly used in mineral displays because their faceted surfaces reflect light across the polished stone, enhancing the natural colour and visual depth of the crystal.
Amethyst obelisks are popular with mineral collectors, decorative stone collectors, and geology enthusiasts who appreciate the mineral’s distinctive colour and quartz crystal structure.
In some cultural traditions and spiritual practices, amethyst has been traditionally associated with symbolic meanings related to clarity or balance, though these interpretations are cultural perspectives rather than scientifically established properties.
Because each stone forms naturally, every amethyst specimen displays unique variations in colour, inclusions, and internal mineral features.
Authenticity and Specimen Details
• Mineral Species: Amethyst (Variety of Quartz)
• Chemical Composition: Silicon Dioxide (SiO₂)
• Mineral Group: Tectosilicate
• Crystal System: Trigonal
• Colour: Purple to violet tones
• Transparency: Transparent to translucent
• Surface Finish: Polished obelisk point tower
• Lustre: Vitreous
• Hardness: 7 on the Mohs hardness scale
• Formation Environment: Quartz crystal growth in volcanic rock cavities
• Associated Minerals: Quartz, calcite, chalcedony, agate
• Authenticity: Genuine natural mineral specimen
• Included: Certificate of Authenticity lifetime guarantee generic card
• Exact Item: The amethyst specimen shown in the photographs is the piece you will receive
This Amethyst Obelisk Point highlights the natural beauty of purple quartz while displaying the mineral’s geological structure, making it a striking addition to mineral collections, crystal displays, or decorative natural stone arrangements.
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