Reviews
This Specimen has been sold.
HERE ARE SOME OTHER SIMILAR FOSSILS FOR SALE
9" Polished Potato Agate Nodule Half - England
This is a cut and polished agate nodule half that was collected from Dulcote Quarry in Somerset, England. This agate occurs as nodules in the red marly clays overlying the Carboniferous Limestone. Material of this quality is becoming increasingly more difficult to obtain considering the quarry closed down a few years ago.
There are two small quartz encrusted pockets within this nodule half, one of which contains some calcite crystals. This specimen is accompanied by an acrylic-metal display stand.
There are two small quartz encrusted pockets within this nodule half, one of which contains some calcite crystals. This specimen is accompanied by an acrylic-metal 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, Quartz & Calcite
LOCATION
Dulcote Quarry, near Wells, Somerset, England
SIZE
9 x 7.4", up to 3.2" thick
CATEGORY
ITEM
#246327
