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

Chemical formula CuFes 2 Crystalline system tetragonal, scalenohedral Class sulphides ...

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

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...

Chemical formula CaCO 3 Crystalline system orthorhombic Class carbonates Origin Va...

Fórmula química CaF2 Sistema Cristalino Cúbico, Octaedro, Rombododecaedro Clase Halogenuros Procedencia Tafilalet, Marru...

Fórmula química SiO2 Sistema Cristalino Hexagonal / Trigonal Clase Óxidos Procedencia India Tamaño 2,00-3,00 cm ...

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

Chemical formula (Mn 2+ )SiO 3 Crystalline system triclinic Class silicates Origin...

Chemical formula HgS Crystalline system trigonal Class sulphides Origin Ciudad Rea...

Chemical formula CO3 (Ca,Mn) Crystalline system trigonal Class carbonates Origin ...

Chemical formula Ca 2 SiB 5 O 9 (OH) 5 Crystalline system monoclinic Class borates ...

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

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

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

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

Species Flexicalymene Ouzregui sp. Geological Period Late Ordovician ≈ 449-443.7 ma Origin Erfoud,...

Chemical formula CASE 4 Crystalline system monoclinic Class Sulfates Origin Cuenca...

Chemical formula Ca 4 (Mn 2 + , Fe 2 + , Mg) 2 Al 4 (B 2 Si 8 O 30 ) (OH) 2 Crystalline System Tr...

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

Chemical formula Mg 3 Si 2 O 5 (OH) 4 Crystalline system monoclinic Class Silicate ...

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

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 CaF 2 Crystalline system Cubic, Octahedron, Rhombododecahedron Class h...

Chemical formula (Cu,Al) 4 H 4 (OH) 8 Si 4 O 10 nH 2 O Crystalline system orthorhombic Cl...

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

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

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

Chemical formula CaMg(CO 3 ) 2 Crystalline system trigonal Class carbonates Origin ...

Chemical formula CuFes 2 Crystalline system tetragonal, scalenohedral Class sulphides ...

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

Species Family Araucariaceae Geological Period Oligocene ≈ 23 Ma Origin Sumatra, Indonesia ...

Species Otodus Obliquus Geological Period Eocene ≈ 45-55 ma Origin Oued Zem, Khouribga, Morocco Size ...

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

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