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4" Golden Amphibolite Sphere - Western Australia
This is a breathtaking 4" wide, "golden amphibolite" sphere, collected from Abydos in the Pilbara region of Western Australia. This specimen comes with the pictured display stand.
About Golden Amphibolite
Golden amphibolite is a striking metamorphic rock known for its unique golden hues and banded texture. It primarily forms through the process of high-grade metamorphism, which involves the transformation of original igneous or sedimentary rocks under intense heat and pressure within the Earth’s crust. During this process, minerals like hornblende, a type of amphibole, and iron-rich components reorganize, creating the characteristic bands of dark and metallic gold seen in golden amphibolite. This layering effect is a result of mineral differentiation, where minerals separate into distinct bands under extreme geological conditions.
The golden sheen that defines golden amphibolite is often attributed to oxidized minerals within the rock, which reflect light and give it a metallic appearance. This rock is found in tectonically active regions where mountain-building or crustal compression events have taken place, providing the conditions necessary for its formation. Regions with notable deposits of golden amphibolite include parts of Australia, Norway, and the northeastern United States.
Golden amphibolite is a striking metamorphic rock known for its unique golden hues and banded texture. It primarily forms through the process of high-grade metamorphism, which involves the transformation of original igneous or sedimentary rocks under intense heat and pressure within the Earth’s crust. During this process, minerals like hornblende, a type of amphibole, and iron-rich components reorganize, creating the characteristic bands of dark and metallic gold seen in golden amphibolite. This layering effect is a result of mineral differentiation, where minerals separate into distinct bands under extreme geological conditions.
The golden sheen that defines golden amphibolite is often attributed to oxidized minerals within the rock, which reflect light and give it a metallic appearance. This rock is found in tectonically active regions where mountain-building or crustal compression events have taken place, providing the conditions necessary for its formation. Regions with notable deposits of golden amphibolite include parts of Australia, Norway, and the northeastern United States.
SPECIES
Amphibole Group
LOCATION
Abydos, Pilbara Region, Western Australia
SIZE
4" wide
CATEGORY
ITEM
#207996
