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

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

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

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

Chemical formula ZrSiO4 _ Crystalline system tetragonal Class silicates Origin...

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

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. ...

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

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

Chemical formula KCl Crystalline system Cubic Class halides Origin Khewra, Pakista...

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

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

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

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

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

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...

Chemical formula K(Li,Al) 3 (Si,Al) 4 O 10 (F,OH) 2 Crystalline system monoclinic Class ...

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

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

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

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...

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...

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

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

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

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 (Mn 2+ )SiO 3 Crystalline system tetragonal Class oxides Origin ...

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

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

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

Chemical formula CaCO 3 Crystalline System Orthorhombic Class Carbonates ...