Rough Pink Opal POR171 polished prehnite Dimensions at widest points approximately

Dimensions at widest points approximately 110 mm x 45 mm x 7 mm thick

The environment they grew in was most probably a sandy tidal flat or braided river channel

A rare and unusual piece displaying rhythmic banding of the silica solutions that usually cement the breccia together

120 mm x 85 mm x 50 mm

Weighs 230 grams

Rough Pink Opal POR171 polished prehnite Dimensions at widest points approximatelyPlease note that pink opal is a fragile stone that sometimes has unseen internal fractures. POR171 Approximate dimensions at widest points 145 mm x 75 mm x 110 mm thick Weight 1,258 grams From near the Kennedy Ranges, Western Australia.