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

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

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

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

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

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

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

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...

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

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

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

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

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

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 Medium:...

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

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 CaCO 3 Crystalline System Orthorhombic Class Carbonates ...

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...

Fórmula química Bi2S3 Sistema Cristalino Ortorrómbico Clase Sulfuros Procedencia Naipa, Mozambique 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 2.0-3.0cm...

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

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

Chemical formula Cu 6 (Si 6 O 18 ) 6H 2 O Crystalline system trigonal Class silicates ...

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

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

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

Chemical formula (Ca,Na)(Al , Si) 2 Si 2 O 8 Crystalline system triclinic Class silicates...

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