David K. Joyce Minerals

Silver, Bornite, Sphalerite

$160.00
14.6x7.5x6.6 cm
La Mina San Martin
Zacatecas
Mexico

Silver, Bornite, SphaleriteSilver, Bornite, SphaleriteSilver, Bornite, Sphalerite

Item number: 20140

This specimen shows a large plate of native silver, mostly coated with bornite, protruding from a matrix of rich purple-blue bornite and sphalerite. The silver is a couple of mm thick and has that metallic sound when you flick it with your finger. Excellent example!