Code: Pend_221 
RHYOLITE (volcanic orbicular variety).
Source: Tairua, Coromandel, N.Z. 
Size: 42mm x 24 x 8mm thick.  
Weight: 12.2 grams 
Silver plated 75cm x 1.2mm diamond-cut chain (EverGleam tarnish resistant treated).  
Packaged in a quality suedette jewellery case.