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Polished Porphyry . PO 123

Polished Porphyry . PO 123

$32.00 Plus 10% GST in Australia

Please note that we are temporarily unable to accept orders from USA due to suspension of postal services.

PO123.  Pink porphyry slab, cut and polished  on one side.

From

 Mindoolah, Western Australia.

Dimensions at widest points approximately 140 mm x 80 mm x 8.5 mm thick.

Weighs 188 grams.

Porphyry is a general term that is used rather loosely for  igneous rocks which contain relatively large isolated crystals set in a fine-grained groundmass.

The porphyry pictured here has pinkish coloured clinozoisite crystals set in a ground mass of dolerite.

The clinozoisite has replaced but retained the shape of plagioclase feldspar crystals.

 

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