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Reproduction of Gava Neolithic Mines Barcelona Catalonia Spain based on surveys of the original remains The Gava Mines are a prehistoric site whe
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Reproduction of Gava Neolithic Mines Barcelona Catalonia Spain based on surveys of the original remains The Gava Mines are a prehistoric site whe
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Variscite necklace found in excavations around the Gava variscite mines which were active between 4200 and 3400 BCE (Neolithic period) in Barcelona C
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Variscite semi-precious mineral
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Neolithic Gava Mines Barcelona Catalonia Spain This is a prehistoric site where variscite was mined Variscite is a semi-precious green mineral wh
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Gava Neolithic Mines Archaeological Park
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Turquoise a rare opaque mineral and ornamental stone It is a hydrated copper- aluminium phosphate This polished sample measuring 45 millimetres ac
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The mineral turquoise is a hydrated copper-aluminium phosphate formed by precipitation from aqueous solutions in a host rock rich in copper and alumi
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The mineral turquoise is a hydrated copper-aluminium phosphate formed by precipitation from aqueous solutions in a host rock rich in copper and alumi
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The mineral turquoise is a hydrated copper-aluminium phosphate formed by precipitation from aqueous solutions in a host rock rich in copper and alumi
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Turquoise Raw and cut and polished specimens of turquoise (hydrated copper aluminium phosphate) This mineral is one of the most valuable non-transpa
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Polished and cut turquoise Four different examples of worked turquoise Turquoise (hydrated copper aluminum phosphate) is widely used in jewellery I
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