Pyrite Sun

“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 133 x 100 x 7 mm Weight: 188 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 127 x 103 x 7 mm Weight: 176 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 118 x 106 x 8 mm Weight: 249 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 105 x 98 x 8 mm Weight: 206 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 112 x 77 x 8 mm Weight: 131 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 101 x 65 x 7 mm Weight: 93 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 112 x 100 x 6mm Weight: 164 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 129 x 105 x 7 mm Weight: 227 gr

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“Pyrite Sun” from Sparta, Illinois, U.S.A. These extraordinary crystal structures known as “Pyrite Sun” actually formed deep underground under great pressure about 350 million years ago. These round disks sometimes occur between seams of coal and may be found when coal is mined. Although pyrite is quite common worldwide, the disk form is virtually unique to Illinois. Origin: Sparta, Illinois, U.S.A. Size: 111 x 91 x 7 mm Weight: 156 gr

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