Concretion Gallery
twinkswithattitude
piddlebucket
bombshellbutt
squaddie5852995
jill
•Conch “pearls” are calcareous concretions produced by the Queen conch mollusk, Str
•Conch “pearls” are calcareous concretions produced by the Queen conch mollusk, Str
Birds nest aragoniteAlso known as cave pearls, these usually spherical concretions form like natural
Looking at concretions on wikimedia commons again…
Prev
Next