Polished fossil stromatolite slab. Strelley Pool Formation SPF137 crystophase The environment they grew in fossil stromatolite It weighs 276 grams POT124
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Polished fossil stromatolite slab. Strelley Pool Formation SPF137 crystophase The environment they grew in fossil stromatolite It weighs 276 grams POT124 The environment they grew in was most probably a sandy tidal flat or braided river channel Tumble polished Chrysoprase