Iridium and osmium vie with one another for the distinction of being the most dense element. Both have a density close to 22.5 grams per cubic centimetre. Compared to the osmium sample, you can see that iridium has a slightly warm yellow hue.
stack of arc-melted pearls, 99.99%, in glass tube, in 7ml glass vial with element symbol, Ir, engraved on lid (sample removable)
size: 45mm x 20mm
sample weight: 10.5 grams
total weight: 20 grams
price: £400 ex. shipping