Witherite
Origin: Minerva Mine, Hardin County, Illinois, U.S.A.
Sample size: 18 x 14 x 10 cm (top), 2.5 x 2 x 1 cm (bottom)
Origin: near Hexham, Northumberland, England
Sample size: 2.9 x 2.3 x 2 cm
Origin: Followfield, Northumberland, England
Sample size: 7.2 x 6 x 4 cm
Origin: Pigeon Roost Mine, Montgomery Co., Arkansas, U.S.A.
Ex. Marty Zinn collection
Sample size: 7.1 x 6.4 x 3.1 cm
The Arkenstone
Origin: Minerva mine #1, Hardin Co., Illinois, U.S.A.
Sample size: 3.5 x 5 x 2.5 cm
Ex Tom Dwyer Collection
Origin: Minerva mine #1, Cave in Rock district, Hardin Co., Illinois, U.S.A.
Sample size: 33 x 18 x 32 mm (top/2nd row), 1.7 x 2.5 x 4.2 cm (3rd row), 28
mm wide (4th row), 8 x 6.5 x 5 cm (5th row), 2.7 x 3 x 3.5 cm (6th/7th row),
27 x 29 x 22 mm (8th row), 5.9 x 4.4 x 5.9 cm (9th/10th row), 28 x 21 x 18 mm
(bottom)
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