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Practical metal magnifying glass with 40x magnification, of scientific quality. The magnifying glass is foldable to protect the glass and is an op...
View full detailsSpecies Planorbis Geological Period Pliocene ≈ 5.5-2.5 ma Origin Mahajanga, Madagascar ...
View full detailsEspecie Neuropteris sp. Periodo Geológico Carbonífero ≈ 315 m.a. Procedencia Estados Unidos Tamaño Mediano: 5,0-6,0 cm G...
View full detailsSpecies filicophyta Geological Period Carboniferous ≈ 315 ma Origin USA Size 2.0 ...
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Chemical formula Aug Crystalline system Cubic Class Minerals Elements Origin Mexic...
View full detailsEspecie Pleurotomaria Periodo Geológico Jurásico ≈ 167,7-164,7 m.a. Procedencia Portugal Tamaño Mediano: 4,0 - 6,0 cm Grand...
View full detailsSpecies Pleurotomary Geological Period Jurassic ≈ 167.7-164.7 ma Origin Poland Size ...
View full detailsRock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size 2.0-3.0cm ...
View full detailsRock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium: ...
View full detailsChemical formula Ca 2 Al(Si 3 Al)O 10 (OH) 2 Crystalline system orthorhombic Class sil...
View full detailsChemical formula Ca 2 Al(Si 3 Al)O 10 (OH) 2 Crystalline system orthorhombic Class sil...
View full detailsChemical formula Aug Crystalline system Cubic Class Minerals Elements Origin Mexic...
View full detailsRock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium:...
View full detailsRock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size 2.0-3.0cm...
View full detailsChemical formula CoffeeSi 2 0 6 Crystalline system monoclinic Class silicates Origi...
View full detailsSpecies Heliophora Orbicularis Geological Period Pliocene ≈ 5.3 - 1.8 ma Origin Western Sahara , Mauritania ...
View full detailsFórmula química (Mn3+, Fe3+)PO4 Sistema Cristalino Ortorrómbico Clase Fosfatos Procedencia Mangualde, Portugal Tamañ...
View full detailsChemical formula (Mn 3+ , Fe 3+ )PO 4 Crystalline system orthorhombic Class phosphate...
View full detailsChemical formula Al 2 OSiO 4 Crystalline System Orthorhombic Class Silicate ...
View full detailsChemical formula Al 2 OSiO 4 Crystalline system orthorhombic Class Silicate Origi...
View full detailsSpecies Cidaris sp. Geological Period Cretaceous ≈ 135 mya Origin Morocco Size 2....
View full detailsChemical formula Ace 4 S 4 Crystalline System Monoclinic Class Sulfides ...
View full detailsChemical formula Ace 4 S 4 Crystalline system monoclinic Class sulphides Origin ...
View full detailsRock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size 2.0-3.0cm ...
View full detailsChemical formula MnCO 3 Crystalline System Trigonal Class Carbonates Or...
View full detailsChemical formula MnCO 3 Crystalline system trigonal Class carbonates Origin Ma...
View full detailsChemical formula MnCO 3 Crystalline system trigonal Class carbonates Origin Ma...
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Chemical formula (Mn 2+ )SiO 3 Crystalline System Triclinic Class Silicates ...
View full detailsChemical formula (Mn 2+ )SiO 3 Crystalline system triclinic Class silicates Origin...
View full detailsRock Class Sedimentary rock Rock Subclass Evaporitic sedimentary Origin Sahara desert, Morocco Size 3.0-...
View full detailsRock Class Sedimentary rock Rock Subclass Evaporitic sedimentary Origin Sonora, Mexico Size 2.0-3.0cm ...
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Rock Class Sedimentary rock Rock Subclass Evaporitic sedimentary Origin Sonora, Mexico Size Medium : ...
View full detailsClase de Roca Roca Sedimentaria Subclase de Roca Sedimentaria Evaporítica Procedencia Sonora, Méjico Tamaño 2,0-3,0 cm Rosas de...
View full detailsChemical formula Na(Li,Al) 3 Al 6 (BO 3 ) 3 Si 6 O 18 (OH) 4 Crystalline system trigonal Cla...
View full detailsChemical formula Na(Li,Al) 3 Al 6 (BO 3 ) 3 Si 6 O 18 (OH) 4 Crystalline system trigonal Cla...
View full detailsChemical formula Al2O3 : Cr Crystalline system trigonal Class oxides Origin Mahaj...
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