2T1540 Hutchinsonite
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
9.5x 5.6x 3.3 cm
$480

An exceptionally rich specimen of this rare thallium bearing mineral, hosting numerous bright crystals sprinkled on a matrix of matte gray sulfides and dark orpiment (please note, the orpiment on the reverse is darker and closer to brown than shown in the picture).  

Most of the hutchinsonite specimens in collections were recovered from this locality in the 70's and 80's, though over the last 2-3 years I have seen examples from more recent workings.  I obtained one lot a few months ago, then this one right after Tucson.  The pieces from this second lot are much closer in appearance to the old time pieces. 

Hutchinsonite is a sulfide of thallium, lead, and arsenic and is probably one of the few minerals containing thallium that you can actually find a decent specimen of.







Similar Minerals

OMR02 Hutchinsonite
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
17.0x 11.4x 4.1 cm
$0
OMR03 Hutchinsonite
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
8.4x 5.6x 1.5 cm
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OMR05 Hutchinsonite
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
7.3x 2.6x 2.5 cm
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