  Ruthenium Chloride, 99.999%.  
American Elements is a chemical supplier with a wonderfully refreshing attitude towards element collectors: They actually like small orders from people looking for exotic elements (within reason).  They also sell quite a variety of compounds, particularly rare earth salts, many of which are highly colored. 
This ball of ruthenium chloride (hexahydrate) is bright orange, very attractive in a poisonous sort of way. 
Source: American Elements 
Contributor: American Elements 
Acquired: 2 June, 2006 
Text Updated: 1 July, 2006 
Price: donated 
Size: 0.5" 
Composition: RuCl3.3H2O
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