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Composición SiO₂ Clase Pseudo-tectita Sistema cristalino Amorfo Procedencia Cárpatos, Eslovaquia Tamaño 1,50 - 2,50 cm ...

Crystalline system Amorphous Class Organics - Hydrocarbons Origin Villaviciosa, Asturias Si...

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

Chemical formula CaCO 3 Crystalline system rhombohedral Class carbonates Origin E...

Chemical formula (Cu,Al) 4 H 4 (OH) 8 Si 4 O 10 nH 2 O Crystalline system orthorhombic Cl...

Presentation Wooden box with 30 compartments and transparent methacrylate sliding lid. Information label Name, Classifica...

Presentación Caja de cartón Etiqueta informativa Nombre y Procedencia Número de piezas 6 Dimensiones totales 8,3 x 12,7 cm (Expositor)...

Chemical formula SiO 2 •nH 2 O Crystalline System Amorphous Class Silicates - M...

Fórmula química CaF2 Sistema Cristalino Cúbico, Octaedro, Rombododecaedro Clase Halogenuros Procedencia Tafilalet, Marru...

Chemical formula SiO2 _ Crystalline system Amorphous Class oxides Origin Mooka...

Chemical formula KAl(SO 4 ) 2 ·12H 2 O Crystalline system Cubic Class Sulfates ...

Chemical formula (Ca,Fe,Mg,Mn) 3 (Al, Fe, Mn,Cr,Ti,V) 2 (SiO 4 ) 3 Crystalline System Isometric ...

Chemical formula CuFes 2 Crystalline system tetragonal, scalenohedral Class sulphides ...

Set of 10 self-assembling die-cut Cardboard boxes of 8.3 x 12.7 cm. Die-cut cardboard boxes ideal for organizing your minerals, fossils and rocks...

Chemical formula SiO 2 •nH 2 O Crystalline System Amorphous Class Silicates - Miner...

Chemical formula FeAsS Crystalline system monoclinic Class sulphides Origin Panasqu...

Chemical formula SiO 2 Crystalline System Trigonal Class Oxides Origi...

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

Chemical formula SiO2 _ Crystalline system trigonal Class oxides Origin Rio G...

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

Fórmula química Cu4SO4(OH)6 Sistema Cristalino Monoclínico Clase Sulfatos Procedencia Draa-Tafilalet, Marruecos Tamañ...

Fórmula química SiO2 Sistema Cristalino Trigonal Clase Óxidos Procedencia Rio Grande Do Sul, Brasil Tamaño 2,0-3,0 cm...

Rock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size 2.0-3.0cm...

Rock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size 2.0-3.0cm...

Chemical formula SiO2 _ Crystalline system Amorphous Class oxides Origin ...

Chemical formula Faith 2 OR 3 Crystalline system trigonal Class oxides Origin N...

Chemical formula Cu2CO3 ( OH ) 2 _ Crystalline system monoclinic Class carbonates ...

Chemical formula S Crystalline system Rhombic, Monoclinic Class Minerals Elements ...

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

Chemical formula Na 8 Al 6 Si 6 O 24 Cl 2 Crystalline system Cubic Class silicates ...

Fórmula química Bi2S3 Sistema Cristalino Ortorrómbico Clase Sulfuros Procedencia Naipa, Mozambique Tamaño 2,0-3,0 cm ...

Rock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size Medium:...

Rock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Olot, Girona Size 2.0-3.0cm ...

Chemical formula Al 2 SiO 4 (F,OH) 2 Crystalline system orthorhombic Class oxides ...

Chemical formula CASE 4 Crystalline system monoclinic Class Sulfates Origin Cuenca...

Chemical formula Al2SiO5 _ _ _ Crystalline system triclinic Class silicates Ori...