Top Ventas

Fórmula química CaF2 Sistema Cristalino Cúbico, Octaedro, Rombododecaedro Clase Halogenuros Procedencia Hunan, China T...

Descubre el universo en tus manos con esta fascinante colección de 4 auténticos meteoritos. Cada pieza ha sido seleccionada para mostrar la diversi...

Rock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium:...

Rock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium: ...

Rock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium: ...

Chemical formula NaCaB 5 O 9 8H 2 O Crystalline system triclinic Class borates ...

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

Chemical formula Be 3 Al 2 (SiO 3 ) 6 Crystalline system Hexagonal Class silicates ...

Fórmula química (Na,Ca)(Al,Fe,Li)(Al,Mg,Mn)6(BO3)3(Si6O18).(OH,F)4 Sistema Cristalino Trigonal, Hexagonal Clase Silicatos ...

Fórmula química SiO2 Sistema Cristalino Trigonal, Hexagonal Clase Óxidos Procedencia Minas Gerais, Brasil Tamaño Med...

Chemical formula Faith 7 S 8 Crystalline System Hexagonal, Monoclinic Class ...

Chemical formula (Mn 2+ )SiO 3 Crystalline System Tetragonal Class Oxides ...

Chemical formula Ca 2 (Mg,Fe,Al) 5 (Al,Si) 8 O 22 (OH) 2 Crystalline System Monoclinic ...

Chemical formula Faith 2 Or 3 Crystalline System Trigonal Class Oxides O...

Chemical formula Ca 2 Fe 3+ Al 2 (Si 2 O 7 )(SiO 4 )O(OH) Crystalline System Monoclinic ...

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

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

Chemical formula Sb 2 S 3 1 Crystalline system orthorhombic Class sulphides Origin ...

Especie  Mosasaurus sp. Periodo Geológico  Cretácico Superior ≈ 70 - 66 m.a. Procedencia  Kem Kem, Taouz, Marruecos Tamaño Dient...

Species Heterodont bivalve Geological Period Jurassic ≈ 160-200 ma Origin France Size ...

Species Trigonia sp. Geological Period Jurassic ≈ 180 ma Origin Peniche, Portugal Size ...

Chemical formula NaCa 2 (Si 3 O 8 )(OH) Crystalline system triclinic Class silicat...

Species Strombus Bubonius Geological Period Middle Pleistocene ≈ 0.12 -0.78 ma Origin Erfoud, Moroc...

Presentation Wooden box with 16 compartments and transparent methacrylate sliding lid. informative label Name, Classificati...

Chemical formula Pb 5 Cl(VO 4 ) 3 Crystalline system Hexagonal Class vanadates ...

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

Fórmula química SiO2 Sistema Cristalino Hexagonal / Trigonal Clase Óxidos Procedencia Brasil Tamaño 2,00-3,00 cm ...

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

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

Species Heliophora Orbicularis Geological Period Pliocene ≈ 5.3 - 1.8 ma Origin Western Sahara , Mauritania ...

Chemical formula CaF 2 Crystalline system Cubic, Octahedron, Rhombododecahedron Class ...

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

Chemical formula FeO(OH)·nH 2 O Crystalline System Amorphous Class Oxides...

Chemical formula SiO2 _ Crystalline system trigonal Class oxides Origin Midelt...

Plastic floating frame display case with presentation stand. Made of plastic frame with durable PET membranes. There are two sizes to choose fro...

Rock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium: ...