Polished Brecciated Pink Opal slab POP182 Tiger Eye Box measures 41 cm x

Box measures 41 cm x 28 cm x 4 cm deep

Dimensions at widest points approximately 95 mm x 40 mm x 20 mm thick

From near Kalgoorlie

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

Dimensions at widest points approximately 70 mm x 90 mm x 70 mm thick

Polished Brecciated Pink Opal slab POP182 Tiger Eye Box measures 41 cm xPOP182 Brecciated Pink Opal slab, polished on one side . Approximate dimensions at widest points 110 mm x 65 mm x 10 mm thick Weight 106 grams From Mooka Creek near the Kennedy Ranges, Western Australia.