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

Rock Class Sedimentary rock Rock Subclass Detrital Origin Riba de Saelices, Guadalajara Size ...

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: ...

Rock Class Igneous Rock Rock Subclass Volcanic Origin Cabo de Gata, Almeria Size Medium: ...

Fórmula química BaSO4 Sistema Cristalino Ortorrómbico Clase Sulfatos Procedencia Madan, Bulgaria Tamaño 2,0-3,0 cm ...

Chemical formula FeO(OH) nH2O Crystalline system Amorphous Class oxides Origin ...

Chemical formula (Mg,Fe) 2 Al 4 Yes 5 O 18 Crystalline system orthorhombic Class silic...

Chemical formula Ca 2 Fe 3+ Al 2 (Si 2 O 7 )(SiO 4 )O(OH) Crystalline system monoclinic Class ...

Chemical formula (Ca,Na)(Si,Al) 4 OR 8 Crystalline system triclinic Class silicates ...

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

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

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 (Ca,Na)(Si,Al) 4 OR 8 Crystalline system triclinic Class silicates ...

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

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

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

Chemical formula Sn O 2 Crystalline System Tetragonal Class Oxides ...

Chemical formula LiAlPO4F Crystalline system triclinic Class phosphates Orig...

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

Composición Hierro 93%, Níquel 6%, Carbono 1%, Cobalto, Azufre Clase Monoclínico / triclínico Coordenadas 27º 28’S 60º 35’...

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

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

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

Species Family Belemnoidea Geological Period Jurassic ≈ 180 ma Origin Peniche, Portugal ...

Chemical formula LiAlSi 2 OR 6 Crystalline system monoclinic Class silicates Orig...

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

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

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

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

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

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

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

Chemical formula LiAlPO4F Crystalline system triclinic Class phosphates Origin L...

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