David K. Joyce


9.1x5.1x3.7 cm
Ackerman Mine
Deloro, Hastings Co,
Ontario, Canada


Item number: 16899

Some of the calcite has been etched away from the quartz/rock matrix to reveal sharp, prismatic lustrous crystals of arsenopyrite up to 5 or so mm in size. Old "Crystal Grove" label accompanies the specimen. Southern Ontario classic!