Natural Amethyst geode · Sphere · 8.6 cm · deep purple

$167.76

Natural Amethyst geode sphere measuring approximately 86.0 mm in diameter, featuring a large open cavity lined with medium to deep purple Amethyst crystals. The specimen combines a polished spherical exterior with a naturally irregular crystalline interior, showing strong crystal coverage, attractive depth and natural variation in crystal size, orientation and transparency. Ideal for collectors, refined décor or as a meditation focal point.

1 in stock

NGB Reference: NGB-000714 SKU: GE-AMDR025PU-003-079 Category: Brand:
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This impressive natural Amethyst geode sphere measures approximately 86.0 mm in diameter and combines the sculptural presence of a polished sphere with the raw crystalline character of an open geode chamber.

The specimen displays attractive medium to deep purple Amethyst crystals across a broad internal cavity, with numerous naturally formed crystal points creating a highly textured and reflective surface. The crystal faces catch light from different angles, producing lively flashes and strong visual depth within the geode opening.

The outer form has been shaped into a rounded sphere while preserving the natural crystalline interior. This contrast between the smooth polished exterior and the irregular crystal-lined cavity gives the piece a distinctive decorative character and allows the natural formation history of the Quartz to remain clearly visible.

Within the geode chamber, the Amethyst ranges from lighter violet areas to richer deep purple zones. Individual crystal points vary naturally in size, orientation and transparency, while internal fractures, growth contacts, small cavities and irregular crystal boundaries contribute to the specimen’s authentic geological appearance.

For collectors, the appeal of this piece lies in the combination of substantial size, strong purple colour, dense crystal coverage and the dramatic open geode structure. Each viewing angle reveals a different arrangement of crystal faces and internal depth, making the specimen especially suitable for display cabinets, mineral collections or as a statement object in refined interiors.

As a decorative piece, the approximately 8.6 cm spherical form provides considerable visual presence without requiring a large display area. The open crystalline face creates a focal point that works particularly well on shelves, desks, side tables or within curated gemstone displays.

Amethyst has also held a long-standing place in spiritual and contemplative traditions. In modern crystal practices it is commonly associated with calm, reflection, meditation and mental focus. A geode of this size may therefore be used as a visual meditation focal point or symbolic object within a personal spiritual space. These associations belong to cultural and spiritual belief systems and should not be interpreted as scientifically established therapeutic effects.

From a mineralogical perspective, Amethyst is the purple variety of Quartz. Its colour is related to iron-bearing centres within the crystal structure and the effects of natural irradiation during geological formation. The visible variation in colour, crystal size and internal structure is typical of naturally developed geode material.

With its substantial 86.0 mm size, rich purple crystal chamber, polished spherical exterior and strong three-dimensional presence, this natural Amethyst geode sphere is particularly suited to collectors, refined interior décor and contemplative or spiritual settings where the natural crystalline structure can remain the central feature.

Overall Score: 92/100

NGB Grade: Excellent

Quality Evaluation

Color18.0/20
Material Quality18.0/20
Natural Characteristics19.0/20
Shape, Symmetry & Polish19.0/20
Overall Appeal18.0/20

Evaluation Notes

This Amethyst geode sphere presents an excellent overall quality profile, combining rich purple colour, strong crystal coverage and a visually impressive open geode cavity.
The crystal points show good brilliance, attractive depth and appealing variation in size and orientation, while the polished spherical exterior provides a refined contrast to the natural interior. Minor irregularities, internal fractures and local colour variation remain present as natural geological features but do not significantly detract from the overall presentation.

The combination of colour intensity, crystal quality, geode structure, polish, size and decorative impact supports an excellent 92/100 assessment.

Species

Quartz

Gemstone Variety

Amethyst

Color

Multicolor, Purple

Treatment

Unheated, Untreated

Transparency

Opaque

Origin

Uruguay

Gemological Properties

Dimensions8.6 cm diameter
TransparencyOpaque
ClarityN/A
Hardness7 Mohs
Crystal SystemTrigonal
LusterN/A
Color Descriptionmedium to deep purple with dark grey brownish outer geode
Transparency NotesTranslucent to locally transparent crystal points within the geode cavity; the overall specimen remains opaque due to the dense crystal cluster and solid spherical body.
Natural CharacteristicsMedium to deep purple Amethyst crystals line the open geode cavity, with natural variation in crystal size, orientation, transparency and colour intensity. The specimen shows irregular crystal growth, internal fractures, growth contacts, small cavities and locally lighter Quartz areas. The contrast between the polished outer sphere and the naturally uneven crystal-lined interior preserves the specimen’s distinct geological character.

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