POL634pr Polyhedroid Agate Pair
This polished Polyhedroid Agate specimen pair shows two conjoined chambers in black and muted yellow agate, with both halves revealing large open vugs. Faintly UV reactive.
Dimensions:
6.3cm x 3cm (2.9cm deep)
6.4cm x 3cm (1.8cm deep)
Total weight: 2.2oz
Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are a unique formation of agate, featuring naturally flat surfaces at a variety of different angles. They are believed to have formed in the negative spaces between large crystal blades of calcite or aragonite, and can occasionally feature multiple "chambers" where those blades eroded and adjacent agates fused together.
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Description
This polished Polyhedroid Agate specimen pair shows two conjoined chambers in black and muted yellow agate, with both halves revealing large open vugs. Faintly UV reactive.
Dimensions:
6.3cm x 3cm (2.9cm deep)
6.4cm x 3cm (1.8cm deep)
Total weight: 2.2oz
Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are a unique formation of agate, featuring naturally flat surfaces at a variety of different angles. They are believed to have formed in the negative spaces between large crystal blades of calcite or aragonite, and can occasionally feature multiple "chambers" where those blades eroded and adjacent agates fused together.
