Images
Formula: TlPbAs5S9
Valence: Pb2+Tl1+As3+5S2-9
Sulpharsenite of thallium and
lead
Crystal System: Orthorhombic
Specific gravity: 4.6 measured
Hardness: 1½ to 2
Streak: Red
Colour: Scarlet-vermillion to deep cherry-red
Common impurities: Ag,Sb
Environments
Hutchinsonite is of hydrothermal origin. Associated minerals include
orpiment,
realgar, getchellite,
pyrite, sphalerite,
hatchite, jentschite,
sicherite, edenharterite,
bernardite, stalderite,
erniggliite and
chabournéite
(HOM).
Localities
At Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, La Libertad, Peru, hutchinsonite
has been found on pyrite
(Mindat photo).
Hutchinsonite from Quiruvilca Mine -
Image
At the type locality, Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland, hutchinsonite occurs as
very small crystals in
the white dolomite. Associated minerals include
sartorite, rathite and
dolomite
(Mindat).
Hutchinsonite from Lengenbach Quarry -
Image
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