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20 samples matching your criteria
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Sample n°11360 : crystals (1 cm) in amphiboliteMinerals: HORNBLENDEYear:Country: Burkina Faso
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Sample n°11660 : block with scattered hornblende crystals, some pyrite aggregatesMinerals: HORNBLENDE PYRITEYear: 1967Country: Austria
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Sample n°11666 : large crystals in eclogiteMinerals: HORNBLENDEYear: 1967Country: Austria
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Sample n°11668 : eclogite, with garnet crystals in greenish matrixMinerals: GARNET HORNBLENDE KYANITE MUSCOVITE OMPHACITE RUTILE ZOISITEYear: 1967Country: Austria
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Sample n°12571 : pegmatiteMinerals: APATITE HORNBLENDE MICROCLINE CALCITEYear: 1974Country: Congo (RDC)
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Sample n°13207 : oriented black prismatic crystals (2 cm) in beige microgranular rockMinerals: HORNBLENDE TITANITEYear: 1974Country: Congo (RDC)
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Sample n°14099 : black prismatic crystal (10 cm)Minerals: HORNBLENDEYear: 1984Country: Madagascar
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Sample n°6100 : diorite, with plagioclase and hornblende as principal componentsMinerals: PLAGIOCLASE HORNBLENDEYear: 1957Country: Congo (RDC)
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Sample n°16328 : dark red corundum (var. ruby), in bright green zoisite matrix with dark hornblende (tschermakite)Minerals: CORUNDUM ZOISITE HORNBLENDEYear: 2010Country: Tanzania
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Sample n°17020 : granite with coarse-crystalline hornblende, partially transformed to light blue riebeckiteMinerals: HORNBLENDE RIEBECKITEYear: 2012Country: Congo (RDC)