2T1538 Hutchinsonite
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
6.5x 6.9x 3.3 cm
$700

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.  

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.









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OMR02 Hutchinsonite
Quiruvilca Dist., Santiago de Chuco Prov., La Libertad Dept., Peru
17.0x 11.4x 4.1 cm
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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
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