Mineralogy Database
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230 samples matching your criteria
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Sample n°11135 : large porous blockMinerals: GOETHITEYear: 1937Country: Congo (RDC)
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Sample n°11228 : brown pisolithic materialMinerals: GOETHITEYear:Country: Congo (RDC)
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Sample n°11264 : cubes (0.5-2 cm), as alteration products of pyrite crystalsMinerals: GOETHITEYear: 1967Country: Burundi
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Sample n°11349 : massive blocs (10 cm)Minerals: FLUORITE GOETHITE GALENAYear: 1967Country: United Kingdom
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Sample n°11362 : fayalite in laterite matrixMinerals: GOETHITE FAYALITEYear:Country: Burkina Faso
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Sample n°11768 : reniform brown crusts on block (6 cm)Minerals: GOETHITEYear: 1968Country: Czech Republic
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Sample n°12194 : block of ochrous material (5 cm)Minerals: FRONDELITE MITRIDATITE COERULEOLACTITE GOETHITEYear: 1970Country: Congo (RDC)
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Sample n°12326 : stratified block (15 cm) with fibro-radial layersMinerals: CALCITE SPHALERITE GOETHITEYear: 1969Country: Czech Republic
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Sample n°12354 : small black crystals in calcite geodeMinerals: GOETHITEYear: 1970Country: Morocco
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Sample n°12397 : botryoidal fibro-radial materialMinerals: GOETHITEYear: 1969Country: Congo (RDC)