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  8 samples matching your criteria
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        Sample n°13284 : iridescent blue material (2 cm)Minerals: MOISSANITEYear: 1972Country: Italy
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        Sample n°13289 : group of purple cubic crystalsMinerals: FLUORITEYear: 1975Country: Tunisia
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        Sample n°13290 : black bipyramidal crystal (4 cm), and small crystalsMinerals: QUARTZYear: 1975Country: Tunisia
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        Sample n°13291 : massiveMinerals: GALENAYear: 1975Country: Tunisia
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        Sample n°13292 : layers and colourless crystalline massMinerals: FLUORITEYear: 1975Country: Tunisia
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        Sample n°13293 : transparent plates and shiny crustsMinerals: GYPSUMYear: 1975Country: Tunisia
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        Sample n°13295 : vitreous colourless mass (12 cm)Minerals: ALUNITEYear: 1975Country: Tunisia
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        Sample n°13296 : honey-coloured crystals (5-20 cm)Minerals: GYPSUMYear:Country: Tunisia