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3,50€ - 4,95€

3,50€

Onyx

in stock

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

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3,50€ - 4,95€

3,50€

1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

Onyx in Collection Box 4x4 cm

in stock

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

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1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

2,95€ - 3,95€

2,95€

Opalina

in stock

Fórmula química SiO2•nH2O Sistema Cristalino Amorfo Clase Silicatos - Mineraloide Procedencia Estados Unidos Tamaño Peq...

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2,95€ - 3,95€

2,95€

1,95€ - 2,95€

1,95€

yellow opal

Out of stock

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

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1,95€ - 2,95€

1,95€

Sold out

Ópalo España en Cajita de Colección 4x4 cm

1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

Spanish Opal in Collection Box 4x4 cm

in stock

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

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1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

2,50€ - 2,50€

2,50€

2,50€ - 2,50€

2,50€

Ethiopian Opal in Collection Box 4x4 cm

in stock

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

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2,50€ - 2,50€

2,50€

2,50€ - 2,50€

2,50€

3,95€ - 5,95€

3,95€

Menilite Opal

in stock

Chemical formula SiO2 • nH2O _ _ Crystalline system Amorphous Class silicates Ori...

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3,95€ - 5,95€

3,95€

2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Menilith Opal (4x4 Box)

in stock

Chemical formula SiO2 • nH2O _ _ Crystalline system Amorphous Class silicates Or...

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2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Ópalo Noble en Cajita de Colección 4x4 cm

3,50€ - 3,50€

3,50€

3,50€ - 3,50€

3,50€

Noble Opal in Collection Box 4x4 cm

Only 4 left!

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

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3,50€ - 3,50€

3,50€

3,50€ - 3,50€

3,50€

Ópalo pardo en Cajita de Colección 4x4 cm

1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

Brown Opal in Collection Box 4x4 cm

in stock

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

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1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

4,95€ - 7,95€

4,95€

red opal

in stock

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

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4,95€ - 7,95€

4,95€

Ópalo rojo en Cajita de Colección 4x4 cm

2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Pink Opal in Collection Box 4x4 cm

in stock

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

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2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

3,50€ - 4,50€

3,50€

pink opal

in stock

Chemical formula SiO 2 •nH 2 O Crystalline System Amorphous Class Silicates - Miner...

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3,50€ - 4,50€

3,50€

2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Pink Opal in Collection Box 4x4 cm

in stock

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

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2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

3,95€ - 4,95€

3,95€

green opal

in stock

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

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3,95€ - 4,95€

3,95€

4,95€ - 4,95€

4,95€

4,95€ - 4,95€

4,95€

Gold in Collection Box 4x4 cm

in stock

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

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4,95€ - 4,95€

4,95€

4,95€ - 4,95€

4,95€

5,95€ - 8,95€

5,95€

Orpiment

Out of stock

Chemical formula Ace 2 S 3 Crystalline System Monoclinic Class Sulfides ...

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5,95€ - 8,95€

5,95€

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Oropimente en Cajita de Colección 4x4 cm

3,95€ - 3,95€

3,95€

3,95€ - 3,95€

3,95€

Orpiment in Collection Box 4x4 cm

Out of stock

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

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3,95€ - 3,95€

3,95€

3,95€ - 3,95€

3,95€

Sold out

2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Orthoceras in Collection Box 4x4 cm

in stock

Species Orthoceras sp. Geological Period Ordovician ≈ 450 ma Origin Erfoud, Morocco Siz...

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2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

2,95€ - 3,95€

2,95€

Orthose

in stock

Chemical formula KAlSi 3 Or 8 Crystalline System Monoclinic Class Silicates ...

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2,95€ - 3,95€

2,95€

1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

Ortosa in Collection Box 4x4 cm

in stock

Chemical formula KAlSi 3 OR 8 Crystalline system monoclinic Class silicates Origin...

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1,95€ - 1,95€

1,95€

1,95€ - 1,95€

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5,95€ - 5,95€

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5,95€ - 5,95€

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Ortosa in Macla

in stock

Chemical formula KAlSi 3 Or 8 Crystalline System Monoclinic Class Silicates ...

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5,95€ - 5,95€

5,95€

5,95€ - 5,95€

5,95€

Ortosa en Macla en Cajita de Colección 4x4 cm

4,95€

4,95€ - 4,95€

4,95€

3,95€

3,95€ - 3,95€

3,95€

Ortosa in Twin in Collection Box 4x4 cm

in stock

Chemical formula KAlSi 3 OR 8 Crystalline system monoclinic Class silicates Origi...

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4,95€

4,95€ - 4,95€

4,95€

3,95€

3,95€ - 3,95€

3,95€

Save 20%

5,95€ - 5,95€

5,95€

5,95€ - 5,95€

5,95€

fossil oyster

in stock

Species Exogyra sp. Geological Period Jurassic - Cretaceous ≈ 100 ma Origin Estoril, Portugal ...

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5,95€ - 5,95€

5,95€

5,95€ - 5,95€

5,95€

2,95€ - 3,95€

2,95€

Palygorskite

Only 3 left!

Chemical formula (Mg 2 Al 2 )Si 8 O 2 0(OH) 2 ·4H 2 O Crystalline System Monoclinic C...

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2,95€ - 3,95€

2,95€

Palygorskita en Cajita de Colección 4x4 cm

1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

Palygorskite in a Collection Box 4x4 cm

in stock

Chemical formula (Mg 2 Al 2 )Si 8 O 2 0(OH) 2 ·4H 2 O Crystalline system monoclinic Class ...

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1,95€ - 1,95€

1,95€

1,95€ - 1,95€

1,95€

Peana maciza de Metacrilato transparente

2,95€ - 5,95€

2,95€

Peana maciza de Metacrilato transparente

Only 5 left!

Peana maciza de Metacrilato transparente. La peana maciza de metacrilato transparente se fabrica a través del acrílico ampliamente conocido como PM...

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2,95€ - 5,95€

2,95€

3,95€ - 3,95€

3,95€

3,95€ - 3,95€

3,95€

Pecten in Collection Box 4x4 cm

in stock

Species Pecten sp. Geological Period Miocene ≈ 23.5 Ma Origin Portugal Size ...

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3,95€ - 3,95€

3,95€

3,95€ - 3,95€

3,95€

2,50€ - 2,50€

2,50€

2,50€ - 2,50€

2,50€

Pegmatite in Collection Box 4x4 cm

in stock

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

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2,50€ - 2,50€

2,50€

2,50€ - 2,50€

2,50€

3,95€ - 4,95€

3,95€

sun stone

in stock

Chemical formula (Na,Ca)Al 2 Si 2 O 8 Crystalline system triclinic Class silicates ...

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3,95€ - 4,95€

3,95€

2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Sun Stone in Collection Box 4x4 cm

in stock

Chemical formula (Ca,Na)(Al , Si) 2 Si 2 O 8 Crystalline system triclinic Class silicates...

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2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

5,95€ - 8,95€

5,95€

Spark Pyrite

in stock

Chemical formula FeS 2 Crystalline system Cubic Class sulphides Origin Huanzala, P...

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5,95€ - 8,95€

5,95€

2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

Sparkling Pyrite in a Collection Box 4x4 cm

in stock

Chemical formula FeS 2 Crystalline system Cubic Class sulphides Origin Huanzala, Pe...

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2,95€ - 2,95€

2,95€

2,95€ - 2,95€

2,95€

5,95€ - 8,95€

5,95€

Pirita Cocada

in stock

Fórmula química FeS2 Sistema Cristalino Cúbico Clase Sulfuros Procedencia Huanzala, Perú Tamaño Mediano: 3,0-4,0 cm Gra...

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5,95€ - 8,95€

5,95€

Pirita Cocada en Cajita de Colección 4x4 cm

3,95€ - 3,95€

3,95€

3,95€ - 3,95€

3,95€

Pirita Cocada en Cajita de Colección 4x4 cm

in stock

Fórmula química FeS2 Sistema Cristalino Cúbico Clase Sulfuros Procedencia Huanzala, Perú Tamaño 2,0-3,0 cm Brillante ...

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3,95€ - 3,95€

3,95€

3,95€ - 3,95€

3,95€

2,50€ - 10,95€

2,50€

cubic pyrite

in stock

Chemical formula FeS 2 Crystalline System Cubic Class Sulfides Origin Nav...

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2,50€ - 10,95€

2,50€

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