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3" Polished, Banded Bahia Agate Nodule Pair - Brazil
This is a richly colored nodule of banded Bahia agate that has been cut in half and polished to a glossy finish on one side of each half. This specimen was collected from the State of Bahia, Brazil and features a variety of agate color hues including orange and red.
Each half is accompanied by an acrylic display stand.
Each half is accompanied by an acrylic display stand.
About Agate
Agate is a variety of microcrystalline quartz (chalcedony) that displays translucence and, in some cases, banding. Agate primarily forms when silica-rich fluids fill pockets within rocks and/or fossils, depositing the silica along the walls of the rock. This process can result in banding patterns, as the compositions and impurities of these depositing fluids change over time. These banding patterns can either form as flat layers, creating linear patterns known as waterline agate, or as rounded layers, forming more common ring-like patterns. These patterns depend on the surfaces available for deposition.
Agate is a variety of microcrystalline quartz (chalcedony) that displays translucence and, in some cases, banding. Agate primarily forms when silica-rich fluids fill pockets within rocks and/or fossils, depositing the silica along the walls of the rock. This process can result in banding patterns, as the compositions and impurities of these depositing fluids change over time. These banding patterns can either form as flat layers, creating linear patterns known as waterline agate, or as rounded layers, forming more common ring-like patterns. These patterns depend on the surfaces available for deposition.
SPECIES
Chalcedony var. Agate
LOCATION
São Francisco River, Bahia, Brazil
SIZE
Entire nodule: 3 x 1.6 x 1.5"
CATEGORY
SUB CATEGORY
ITEM
#246254
