Porphyry Tumblestones

Tumbled Porphyry pieces measuring 20-30MM approximately.

(1 customer review)
SKU: 6682 Categories: , Tag:

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Porphyry Tumblestones

Interesting little Porphyry tumblestones, measuring around 20-30MM along their longest point.

Porphyry is not a stone you often find tumbled or polished at all; although it has been used for carving and artefacts throughout history.

It is most often used for things like paving nowadays - you won't find it faceted and cabochon pieces are rare too.

As a rule, it will typically only be sold rough to mineral collectors. There's no reason collectors wouldn't want a polished piece too, though.

The pictures you see here are representative of the products and are usually not the exact item you will receive. Where various grades are available we do try to photograph each grade - but some photographs are still on their way!

1 review for Porphyry Tumblestones

  1. Jo (verified owner)

    Just like the ones in the photos.

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What are tumblestones?

Tumblestones are stones that have been put in spinning barrels with an abrasive compound for weeks or months. This slowly rounds off the rough rock and corners – the stones are then cleaned, and placed with a less abrasive grit. This happens several times until the stones are placed into a barrel with a polishing compound for their final polish.