Brecciated Indian Amethyst Polished Tower
This brecciated amethyst tower is a visually complex quartz specimen formed through natural fracturing and re-cementation processes. It features angular fragments of amethyst set within a silica-rich matrix, creating a mosaic-like internal structure. The combination of purple amethyst, milky quartz, and iron-stained sections gives this piece strong contrast and depth from every angle.
Polished into a tower shape, the surface enhances clarity while preserving the raw internal textures, fractures, and mineral boundaries that define brecciated material.
Key Features
Mineral: Quartz (Amethyst variety)
Chemical Formula: SiO₂
Formation: Brecciated quartz (fractured and naturally re-bonded)
Colour: Purple, white, translucent quartz with reddish-brown iron staining
Transparency: Translucent to opaque
Lustre: Vitreous (glassy)
Crystal System: Trigonal
Mohs Hardness: 7
Finish: Polished freeform
Dimensions
Size: 5 cm x 3.5 cm
Weight: 72 grams
Geological & Scientific Notes
Brecciated amethyst forms when pre-existing quartz (including amethyst) undergoes fracturing, typically due to tectonic activity or pressure changes within the host rock. These broken fragments are later naturally cemented back together by silica-rich fluids, which solidify to form a new quartz matrix.
The reddish-brown areas seen throughout this piece are caused by iron oxide inclusions, which commonly occur during later stages of mineralisation. The variation between translucent quartz and opaque zones reflects differences in crystal growth conditions, impurity content, and fracture healing.
Amethyst’s purple colour is the result of trace iron (Fe³⁺) within the quartz structure, altered by natural irradiation over time.
Why This Piece Stands Out
Strong brecciated structure with clearly defined angular fragments
Natural contrast between amethyst, quartz, and iron-rich matrix
Visible fracture patterns and healed crystal boundaries
A solid, weighty display piece with good structural definition
Care
Clean with lukewarm water and mild soap
Avoid prolonged exposure to strong sunlight (may reduce colour intensity over time)
Store separately to prevent scratching softer minerals