Germanium – monocrystalline 99.999% – Precision density-standard cube 10cm3 NEW!
Size:21.5mm
mirror polished, laser engraved – 53.45 grams  Introductory price! ONE piece is in stock! 100% quality guarantee! The surface, edges and corners are flawless and have no holes, scratches or dents.They come with laser inscription.
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