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7 samples matching your criteria
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Sample n°11782 : enclosed green material and pink calcite vein in brown lava (15 cm) (muscovite, var. illite)Minerals: MUSCOVITE AGATE (quartz) CALCITEYear: 1968Country: Czech Republic
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Sample n°11783 : red block (7 cm), var. jasperMinerals: QUARTZYear: 1968Country: Czech Republic
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Sample n°11784 : green block (8 cm), var. jasperMinerals: QUARTZYear: 1968Country: Czech Republic
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Sample n°12263 : zoned geodes (2 cm) in melaphyre with green micaMinerals: AGATE (quartz)Year: 1969Country: Czech Republic
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Sample n°12264 : white microcrystalline crust on block (5 cm)Minerals: HEULANDITEYear: 1969Country: Czech Republic
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Sample n°12265 : vitreous green blocks (2 cm), var. peridotMinerals: OLIVINEYear: 1969Country: Czech Republic
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Sample n°12267 : greenish block (11 cm) white quartz vein (cm) with natrolite as white powderMinerals: NATROLITEYear: 1969Country: Czech Republic