Novedades

Species cycloserys Geological Period Cretaceous ≈ 115 ma Origin Erfoud, Morocco Size 2....

Species Cardium sp. Geological Period Cretaceous ≈ 130 ma Origin France Size 2.0 ...

Species ammonites Geological Period Cretaceous ≈ 135 mya Origin Erfoud, Morocco Size ...

Species Ammonite Perisphinctes sp. Geological Period Late Jurassic ≈ 163-141 ma Origin Tulear, Mad...

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

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

Chemical formula K(Li,Al) 3 (Si,Al) 4 O 10 (F,OH) 2 Crystalline system monoclinic Class ...

Rock Class metamorphic rock Rock Subclass contact metamorphism Origin Sar-E-Sang, Afghanistan Size 2.0-...

Chemical formula Ca 2 (Mg,Fe,Al) 5 (Al,Si) 8 O 22 (OH) 2 Crystalline system monoclinic Class...

Chemical formula CaB 2 Yes 2 O 8 Crystalline system orthorhombic Class silicates Or...

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

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

Chemical formula FeAsS Crystalline system monoclinic Class sulphides Origin Panasqu...

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

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

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

Chemical formula (Mg,Fe) 2 SiO 4 Crystalline system orthorhombic Class silicates ...

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

Chemical formula NaCl Crystalline system Cubic Class halides Origin Whirlpools, Za...

Chemical formula C. Crystalline system Hexagonal Class Native Elements Origin El Muyo, Sego...

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

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

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

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

Chemical formula Aug Crystalline system Cubic Class Minerals Elements Origin Mexic...

Chemical formula oh Crystalline system isometric Class Minerals Elements Origin Kim...

Species Hymenaea verrucosa Geological Period ≈ 0.15 to 2 ma Origin Tulear, Madagascar S...

Chemical formula Al 2 OSiO 4 Crystalline system orthorhombic Class Silicate Origi...

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

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

Species Spinosaurus sp. Geological Period Cretaceous Cenomanian ≈ 100.5 - 93.9 ma Origin Kem Kem, Taouz, Moroc...

Chemical formula FeCO 3 Crystalline system trigonal Class Carbonates and Nitrates ...

Chemical formula Ace 4 S 4 Crystalline system monoclinic Class sulphides Origin ...

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

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