Fossil Ocean Creature Small Pair Tampa Bay ranging from pale blue to

ranging from pale blue to deep blue-green

almost black green

Vanadinite cluster specimen from Morocco with a beautiful ombré of red to orange crystals as it wraps around the host rock

The skeletons become buried in sediment

chalcedony

Fossil Ocean Creature Small Pair Tampa Bay ranging from pale blue toThe agatization of ocean creatures begins with the death of the coral, bivalve, mussel, clam, etc, leaving behind their hard, calcium carbonate based skeletons. The skeletons become buried in sediment, which helps to protect them from degradation. Over time, minerals such as agate, calcite, or silicate replace the calcium carbonate that composes the creature's structure. This replacement not only preserves the intricate details of the ancient organism