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PortugalNegrais, Pero Pinheiro, Sintra, Grande Lisboa, Lisboa e Vale do Tejo
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United KingdomAncaster Quarry, Ancaster, Grantham, and Wilsford Glebe Quarry, Lincolnshire
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FranceBierry-les-Belles-Fontaines (Yonne,36 km au sud-est de Tonnerre)