Bismuth Metal Cube 99.95%

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Bismuth Metal Cube 99.95%

from 17.00

This is bismuth like you've never seen. Here at its boxiest, bismuth is a rather brittle element that despite looking at first glance like any other metal dropping a piece on the floor is likely to shatter it like glass. It melts easily but you wouldn't be able to get it cast into this shape as cavities tend to form on the wall of the mold and milling it would again cause surface fractures.

Bismuth is best known for the terraced crystals it forms like the one shown here on top of the 50mm version of the cube. The Escher-like shapes happen because the crystal solidifies from its molten state at different speeds. As one wall outpaces another it forces the creation of junctions at 90 degree angles. The colors are actually a result of oxidation. Although just a few microns thick the varying thicknesses each absorb and reflect different wavelengths of light thus creating a full palette of gorgeous colors.

The 10mm weighs 9.8g, the 20mm just a bit under 80g and the 50mm clocks in at over 1,200 grams. Bismuth crystals sold separately.

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