Rough Pink Opal POR171 polished prehnite 24 pieces of mixed varieties

24 pieces  of mixed varieties of Australian tumble polished gemstones

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

CH435  Chrysoprase  slab polished  on one side

Rough Pink Opal POR171 polished prehnite 24 pieces of mixed varietiesPlease 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.