Finite Tubular Fulgurite Pieces.
To say of Fulgurite that it is a tube of whole milk, that is to say of vitreous Silica, since it is the product of the fall of a ray, generally in sands or sandstones.
The melting of the grains of silica occurs, because the reached temperature can be of 4000 Â° C and with a depth of one meter, although they always form very thin tubes. br> Indicate the kilos you want to buy from this product by choosing an amount in the quantity tab.
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