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

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

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

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

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

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

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

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

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

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

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

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

Chemical formula Sb 2 S 3 1 Crystalline system orthorhombic Class sulphides Orig...

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

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

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

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

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

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

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...

Chemical formula SiO2 _ Crystalline system Hexagonal, Trigonal Class silicates ...

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...

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

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

Chemical formula Cu(SO 4 ) 5H 2 O Crystalline system triclinic Class Sulfates Origin ...

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

Chemical formula pbs Crystalline system Cubic Class sulphides Origin Tri Estate,...

Chemical formula SiO2 _ Crystalline system Hexagonal / Trigonal Class oxides ...

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

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

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

Rock Class Sedimentary rock Rock Subclass Evaporitic sedimentary Origin Sonora, Mexico Size Medium : ...