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1.3" Polished Brecciated Chert Egg - Australia
This is a 1.3" tall polished brecciated chert egg from the Pinyalling Hills in the midwest region of Western Australia. Chert breccia consists of innumerable angular fragments of assorted rock types. The dominant rock types associated in the mix are agate, jasper, chert, and hematite, and originates from a type of jasper that goes by the trade name Pinyalling jasper.
About Brecciated Chert From Australia
Brecciated chert from the Pinyalling Hills of Western Australia is a visually striking, geologically ancient material formed through repeated episodes of fracturing, silica-rich fluid infiltration, and cementation within the region’s Archean greenstone belts. These cherts typically display angular jigsaw-like fragments locked within a contrasting silica matrix, creating dramatic patterns of reds, creams, tans, blacks, and iron-rich ochre tones. The colors reflect the area’s mineralized environment, where iron oxides and trace elements percolated through the rock during tectonic activity. Known for its hardness, fine polish, and bold mosaic appearance, Pinyalling Hills brecciated chert is prized by collectors, lapidarists, and anyone who appreciates uniquely patterned stones shaped by time and dynamic geological forces more than 2.5 billion years old.
Brecciated chert from the Pinyalling Hills of Western Australia is a visually striking, geologically ancient material formed through repeated episodes of fracturing, silica-rich fluid infiltration, and cementation within the region’s Archean greenstone belts. These cherts typically display angular jigsaw-like fragments locked within a contrasting silica matrix, creating dramatic patterns of reds, creams, tans, blacks, and iron-rich ochre tones. The colors reflect the area’s mineralized environment, where iron oxides and trace elements percolated through the rock during tectonic activity. Known for its hardness, fine polish, and bold mosaic appearance, Pinyalling Hills brecciated chert is prized by collectors, lapidarists, and anyone who appreciates uniquely patterned stones shaped by time and dynamic geological forces more than 2.5 billion years old.
SPECIES
Chalcedony var. Jasper/Agate/Chert & Hematite
LOCATION
Pinyalling Hills, Western Australia
SIZE
1.3 x .9"
CATEGORY
SUB CATEGORY
ITEM
#308758
