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Chemical formula CASO 4 ·2H 2 O Crystalline System Monoclinic Class Sulfates ...

Chemical formula Mn 2+ SiO 3 Crystalline System Triclinic Class Silicates ...

Chemical formula KAlSi 3 Or 8 Crystalline System Monoclinic Class Silicates ...

Chemical formula (Fe 2+ ,Mg,Zn) 2 Al 9 (Si,Al) 4 O 22 OH 2 Crystalline System Monoclinic ...

Chemical formula SiO2 _ Crystalline system trigonal, hexagonal Class oxides Ori...

Species araucariaceae Geological Period Paleogene ≈ 30 ma Origin Tulear, Madagascar Size...

Especie Leptolepis  Periodo Geológico Cretácico ≈ 100 m.a. Procedencia Ceará, Brasil Tamaño Pez: 4,0-6,0 cm aprox. Matriz: 8,00 ...

Especie Atlasaurus imelakei Periodo Geológico Jurásico ≈ 165 m.a. Procedencia Boulemane, Marruecos Tamaño 12,0/16,0 x 7,0/9,0 cm...

Especie  Flexicalymene Ouzregui sp Periodo Geológico  Ordovícico Superior ≈ 449-443,7 m.a. Procedencia  Erfoud, Marruecos Tam...

Species Mosasaurus sp. Geological Period Late Cretaceous ≈ 70 - 66 ma Origin Kem Kem, Taouz, Morocco Si...

Chemical formula CaCO 3 Crystalline system rhombohedral Class carbonates Ori...

Species Otodus Obliquus Geological Period Eocene ≈ 45-55 ma Origin Oued Zem, Khouribga, Morocco Size ...

Chemical formula SiO 2 Crystalline System Hexagonal/Trigonal Class Oxides ...

Chemical formula CaCO 3 Crystalline system orthorhombic Class carbonates Origin Va...

Chemical formula SiO 2 Crystalline System Trigonal, Hexagonal Class Oxides ...

Soporte de plástico en forma de "ele" compuesto de dos piezas correderas para poder ajustar la anchura en función de la pieza. Hay dos tamaños entr...

Presentation Wooden box with 20 compartments and transparent methacrylate sliding lid. Information label Name, Chemical...

Presentation Wooden box with 20 compartments and transparent methacrylate sliding lid. informative label Name, Classificatio...

Presentation Wooden box with 20 compartments and transparent methacrylate sliding lid. informative label Name, Classificatio...

Chemical formula Aug Crystalline system Cubic Class Minerals Elements Origin Mexic...

Especie Estromatolito Periodo Geológico  Devónico ≈ 419-359 m.a. Procedencia  Desierto del Sahara, Marruecos Tamaño Mediano: 3,0...

Chemical formula CaSO 4 ·2H 2 O Crystalline system monoclinic Class Sulfates Origi...

Chemical formula KAlSi 3 OR 8 Crystalline system Monoclinic/Triclinic Class silica...

Presentation Green poplar wood box with transparent methacrylate sliding lid. Information label Name and Origin ...

Chemical formula oh Crystalline system isometric Class Minerals Elements Origin Kim...

Chemical formula FeS 2 Crystalline System Cubic Class Sulfides Origin Nav...

Chemical formula AC 2-3 T 4 O 10 X 2 Crystalline System Monoclinic Class Si...

Chemical formula KAlSi 3 OR 8 Crystalline system Monoclinic/Triclinic Class silicat...

Chemical formula Be 3 Al 2 (SiO 6 ) 18 Crystalline System Hexagonal Class Sil...

Especie  Flexicalymene Ouzregui sp Periodo Geológico  Cámbrico medio ≈ 510–499 m.a. Procedencia  Estratos de Jince, Rejkovice, Re...

Species Maugerii Terebratula Geological Period Miocene ≈ 20 ma Origin Cadiz, Spain Size ...

Chemical formula NaFe + 3 Si 2 O 6 Crystalline system monoclinic Class silicates O...

Chemical formula SiO 2 Crystalline System Trigonal, Hexagonal Class Oxides ...

Species Ammonite Cleoniceras sp. Geological Period Lower Albian Cretaceous ≈ 100.5 ma Origin Mahajanga, Mada...

Chemical formula (Na,Ca)(Al,Fe,Li)(Al,Mg,Mn) 6 (BO 3 ) 3 (Si 6 O 18 ).(OH,F) 4 Crystalline system trigonal...

Presentation Wooden box with 12 compartments and transparent methacrylate sliding lid. Information label Name, Formula,...