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51 Sb Antimony

Metalloid, mass: 121.76 u, 2 stable isotopes (121, 123), abundance rank (earth/space): 61/62

Click image to magnify. Ultrapure metallic antimony piece, front and back side. Original size in cm: 2 x 2
Antimony Antimony back
Antimony is a metalloid (or semi metal), which is rather metal than nonmetal. Here its stable metallic modification is shown. In its nonmetallic forms it is unstable. Antimony is important for semiconductors, but has been used for a long time as additive in alloys like bronze and in cosmetics. Nonetheless it is quite toxic and has effects similar to arsenic, but weaker.

Antimony crystal Stibnite
Left: Antimony crystal, 2 grams, 1 cm.
Right: Stibnite, also known as antimonite, antimony sulfide Sb2S3,on quartz. Size 4x3 cm. This soft mineral is the most important ore for the mining of antimony.


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The images are licensed under a Creative Commons Attribution 3.0 Unported License, unless otherwise noted. Attribution by linking (outside of the internet credit with url) to the according element page.


Page last changed on March 05. 2016

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