Novedades

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

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

Species Flexicalymene Ouzregui sp. Geological Period Ordovician ≈ 455 ma Origin Erfoud, Morocco ...

Chemical formula CASO 4 ·2H 2 O Crystalline System Monoclinic Class Sulfates ...

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

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

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

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

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

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....

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. ...

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

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

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

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

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

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

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

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

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

Species araucariaceae Geological Period Paleogene ≈ 30 ma Origin Tulear, Madagascar Size...

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

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

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

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

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 α-Fe 3+ O(OH) Crystalline System Orthorhombic Class Oxides ...

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. ...

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

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 (Ca,Na)(Si,Al) 4 OR 8 Crystalline system triclinic Class silicates ...

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

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

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

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

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