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

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

This book is a basic pocket Guide to learn to differentiate Minerals, Rocks and Precious Stones. As a beginner's guide, it exposes the basic cha...

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

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

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

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

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

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

Rock Class Igneous Rock Rock Subclass Volcanic Origin Hidalgo, Mexico Size Medium: 3.00-4...

Rock Class metamorphic rock Rock Subclass regional metamorphism Origin Kimberley, South Africa Size ...

Fórmula química FeS2 Sistema Cristalino Cúbico Clase Sulfuros Procedencia Huanzala, Perú Tamaño 2,0-3,0 cm Brillante ...

Chemical formula FeS 2 Crystalline system Cubic Class sulphides Origin Huanzala, Per...

Chemical formula ZnS Crystalline system Cubic Class sulphides Origin Peaks of Eur...

Chemical formula Ca 5 (PO 4 ) 3 (F,OH,Cl) Crystalline system Hexagonal Class phosphates ...

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

Fórmula química SiO2•nH2O Sistema Cristalino Amorfo Clase Silicatos - Mineraloide Procedencia Estados Unidos Tamaño Med...

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

Chemical formula Al2O3 : Cr Crystalline system trigonal Class oxides Origin Arush...

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

Chemical formula (Mg 2 Al 2 )Si 8 O 2 0(OH) 2 ·4H 2 O Crystalline System Monoclinic C...

Chemical formula NaAlSi 3 OR 8 Crystalline system triclinic Class silicates Orig...

Chemical formula SrSO 4 Crystalline system orthorhombic Class Sulfates Origin Ma...

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

Chemical formula Al2O3 : Cr Crystalline system trigonal Class oxides Origin Arush...

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

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. ...

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. Information label Name and Origin ...

Chemical formula SiO2 • nH2O Crystalline system Amorphous Class Silicates - Mineraloid ...

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

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

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

Rock Class metamorphic rock Rock Subclass regional metamorphism Origin Kimberley, South Africa Size ...

Fórmula química CaCO3 Sistema Cristalino Romboédrico Clase Carbonatos Procedencia Estados Unidos Tamaño 2,0-3,0 cm ...

Fórmula química SiO2 Sistema Cristalino Trigonal Clase Óxidos Procedencia Minas Gerais, Brasil Tamaño 2,0-3,0 cm U...