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Chemical formula K(Mg,Fe) 3 AlSi 3 O 10 (OH, F) 2 Crystalline system monoclinic Class ...

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

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

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

Especie  Familia Araucariaceae Periodo Geológico Eoceno ≈ 35 - 40 m.a. Procedencia Mar Báltico, Lituania Tamaño Pequeño: 2,...

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

Chemical formula PbMoO 4 Crystalline system tetragonal Class Sulfates, Molybdates Ori...

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

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

Set of 10 self-assembling die-cut Cardboard boxes of 6 x 6 cm. Classic die-cut cardboard boxes to keep your minerals, fossils and rocks in order....

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

Chemical formula CASE 4 Crystalline system orthorhombic Class Sulfates Origin Pi...

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...

Rock Class igneous rock Rock Subclass Volcanic (volcanic glass) Origin Hidalgo, Mexico Size Medium:...

Crystalline system Amorphous Class carbonates Origin Karelia, Russia Size 2.00-3.00cm ...

Chemical formula (Fe,Mn,Mg)WO 4 Crystalline system monoclinic Class oxides Origin...

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

Chemical formula CaF 2 Crystalline system Octahedron Class halides Origin Hunan,...

Presentation Wooden box with 30 compartments and transparent methacrylate sliding lid. Information label Name, Classifica...

Chemical formula At 2 or 3 Crystalline system Hexagonal Class oxides Origin Tule...

Chemical formula Ace 2 S 3 Crystalline system monoclinic Class sulphides Origin ...

Chemical formula Cu2O _ _ Crystalline system Cubic Class oxides Origin Ural Moun...

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

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

Presentation Wooden box with 30 compartments and transparent methacrylate sliding lid. Information label Name, Classifica...

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

Chemical formula NaFe + 3 Si 2 O 6 Crystalline system monoclinic Class silicates O...

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

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

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

Chemical formula (Na,Ca)(Al,Fe,Li)(Al,Mg,Mn) 6 (BO 3 ) 3 (Si 6 O 18 ).(OH,F) 4 Crystalline system trigonal...

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

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

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

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

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