Origin: Les Causses, Averyon, France
Sample size: 7.5 x 6.5 cm (top), 5.2 x 3.9 cm (2nd row left), 3.5 x 2.5 cm
(2nd row right), 5 x 3.6 cm (3rd row), 7.5 x 6 cm (4th/5th row), 6.7 x 5 cm
(6th/7th row), 7 x 6 cm (8th row), 9.5 x 7.5 cm (9th row), 3 x 1.9 cm
(bottom)
Origin: El Haman Mine, El Haman, Morocco
Sample size: 7.9 x 5.1 cm
Origin: Aouli, Morocco
Sample size: 5 x 3.5 cm
Origin: Erongo Mountains, Namibia
Sample size: 3 x 2.1 cm
Origin: Okarusu, Namibia
Sample size: 7.5 x 4.5 cm
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