Carbon colourless diamond man-made HPHT 0.165g Periodic Table Element Collection If you are looking for a carbon specimen in the form of diamond for your periodic table collection, don’t miss this one. It’s a VERY eye-catching size diamond crystal, almost colourless. Please note there’s trace amount graphite inclusion visible – please check the listing photos/video. Please note the unit cell of the graphic paper is 5mm.
Purity is 99.9%, length 60mm, width 42-46mm, thickness 5mm, weight 90-95g.
This is a very attractive rhenium specimen for your periodic table collection. This rhenium specimen measures approximately 32mm*14mm*12mm, weighing 110g, very close to theoretical density (majority of readily available rhenium specimens are sintered, only at 90-95% theoretical density). It has two polished mirror-like surface and two matt surface length-wise, together with two EDM cutting surface at two ends. Please note the unit cell of the graphic paper is 5mm.
The medicine has a gentle purple tint, which can be a nice touch for those who care about aesthetics.
Stunning gold crystal five small pieces 103mg in total. Very detailed crystalline structure. A beautiful specimen for gold. Man-made, lab-grown crystal Please note the unit cell of the graphic paper is 5mm.
Stunning gold crystal 187mg. Very detailed crystalline structure. A beautiful specimen for gold. Man-made, lab-grown crystal Please note the unit cell of the graphic paper is 5mm.
Indium metal for element collection with purity of 99.9999% !!!!!! 10 gram bottle Alfa Aesar brand. Please note the unit cell of the graphic paper is 5mm
electrolysis made chromium crystals. very rare appearance for chromium metal. They are not easily available vanadium crystals, albeit they look quite similar. Listing price is for ONE ampoule only. Please note the unit cell of the graphic paper is 5mm.
It’s an absolutely STUNNING tungsten crystalline bar, made of wolfram hexafluoride/hydrogen process. You can see very fine ORIENTATED crystalline structure on the surface of the bar, with very shinny metallic texture, sparks like diamond when rolling around. This is a very compact form of tungsten metal, very rare tungsten specimen, really hard to find one. It’s NOT sintered material. 140 gram. Please note the unit cell of graphic paper is 5mm.
Tungsten crystalline bar, made of wolfram hexafluoride/hydrogen process.
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