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

Presentation Green poplar wood box with transparent methacrylate sliding lid. informative label Name, Origin and Type of Ro...

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

Chemical formula (K,Na)Ca 4 Si 8 O 20 (OH,F) 8H 2 O Crystalline system tetragonal Class ...

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

Chemical formula K(Al,Cr) 2 AlSi 3 O 10 (OH,F) 2 Crystalline system monoclinic Class s...

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

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

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

Fórmula química SiO2 Sistema Cristalino Trigonal, Hexagonal Clase Óxidos Procedencia Minas Gerais, Brasil Tamaño 2,0-...

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

Rock Class Sedimentary rock Rock Subclass Chemical and Organogenic Origin Kashmir, India Size Mediu...

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

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

Chemical formula Na(Li,Al) 3 Al 6 (BO 3 ) 3 Si 6 O 18 (OH) 4 Crystalline system trigonal Cla...

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

Chemical formula CaCO 3 Crystalline system rhombohedral Class carbonates Ori...

Chemical formula (K,Na)Ca 4 Si 8 O 20 (OH,F) 8H 2 O Crystalline system tetragonal Class ...

Chemical formula Al 2 OSiO 4 Crystalline System Orthorhombic Class Silicate ...

Chemical formula Ace 4 S 4 Crystalline System Monoclinic Class Sulfides ...

Chemical formula Ace 2 S 3 Crystalline System Monoclinic Class Sulfides ...

Chemical formula ZnS Crystalline System Cubic Class Sulfides Origin Madan...

Chemical formula CaCO 3 Crystalline system rhombohedral Class carbonates Ori...

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

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

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

Chemical formula Ca 2 Al(Si 3 Al)O 10 (OH) 2 Crystalline system orthorhombic Class sil...

Chemical formula Na(Al,Fe 3+ )Si 2 O 6 Crystalline system monoclinic Class silicates...

Chemical formula CaCO 3 Crystalline system rhombohedral Class carbonates Ori...

Fórmula química (Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12] Sistema Cristalino Monoclínico Clase ...

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

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

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

Practical metal magnifying glass with 40x magnification, of scientific quality. The magnifying glass is foldable to protect the glass and is an op...

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

Rock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Kamchatka, Russia Size 2.0-3.0c...