Lewisian Gneiss from Scotland – the oldest rock in the uk 1kg Rough Lot (Polishes Beautifully) 20-60 mm

Ancient Scottish bedrock with over 2.7 billion years of geological history. Lewisian Gneiss is famous for its swirling pink, grey and charcoal banding — and when polished, those colours ignite into a glossy, high‑contrast pattern that collectors love.

Key Features

• Precambrian Scottish origin — among the oldest rocks on Earth

• Beautiful metamorphic banding — quartz, feldspar and mica in flowing layers

• Polishes exceptionally well — colours deepen, patterns sharpen, and mica flecks catch the light

• Grounding energy — stability, resilience, ancient Earth connection

What You Receive

• 1kg rough lot of natural Lewisian Gneiss

• Mixed sizes, ideal for tumbling,polishing, carving, or display

• Ethically sourced, natural, unpolished texture

Why Collectors Love It

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• Unique patterns — every piece is different

• Perfect for polishing  — transforms dramatically with a high shine

• A true piece of ancient Scottish geology