Porphyry Plattens

Purplish brown and bluish grey in colour, Porphyry Plattens are naturally very smooth and flat, making them ideal for using as stepping stones laid across shallow ponds, streams or dry river beds. They're also a great option to for when you want to build a flatter rockery arrangement with a lower height, or set in gravel for a Japanese garden style.

Although originally a slabby rock, Porphyry Plattens are moraine boulders that have been further tumbled and smoothed in alpine rivers – resulting in a flatter boulder than you'd usually expect with granite materials.

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