Brecciated Indian Amethyst Polished Tower

This brecciated amethyst freeform features large, well-defined fragments of amethyst and quartz set within a re-cemented silica matrix. The piece displays strong structural contrast, with distinct angular sections separated by lighter quartz boundaries, creating a bold, fractured mosaic pattern across the surface.

The polished finish enhances clarity and depth, revealing internal fracture planes, subtle translucency, and variations in colour that shift between soft lavender and deeper purple tones.

Key Features

Mineral: Quartz (Amethyst variety)

Chemical Formula: SiO₂

Formation: Brecciated quartz (fractured and naturally re-bonded)

Colour: Light to deep purple with white and grey quartz banding

Transparency: Translucent with semi-transparent zones

Lustre: Vitreous (glassy)

Crystal System: Trigonal

Mohs Hardness: 7

Finish: Polished freeform

Dimensions

Size: 6 cm x 5 cm

Weight: 139 grams

Geological & Scientific Notes

Brecciated amethyst forms when quartz and amethyst crystals are broken apart by geological stress and later cemented back together by silica-rich fluids. This process produces a solid structure composed of angular fragments, often separated by lighter quartz or chalcedony-filled boundaries.

In this piece, the larger fragment size and clearly defined boundaries suggest fewer but more pronounced fracturing events, followed by strong silica re-cementation. The lighter lines running between sections are healed fracture zones, where new quartz has crystallised and bonded the structure together.

The purple coloration is caused by trace iron within the quartz lattice, modified by natural irradiation. Variations in tone—from pale lavender to deeper purple—reflect differences in iron concentration and growth conditions during formation.

Why This Piece Stands Out

Large, clearly defined brecciated fragments

Strong contrast between amethyst and quartz boundaries

Clean structural pattern with visible fracture network

Heavy, high-presence display piece

Care

Clean with lukewarm water and mild soap

Avoid prolonged exposure to direct sunlight

Store separately to prevent surface scratches