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“chalky” crystals with the slight silvery overtone
and they didn't have color quite like this
The piece has a light coating of a secondary clay mineral but does display well from several angles
It's incredibly hard to find a specimen with such a large
At one point it was a euhedral gem crystal but
Calcite Orthoclase “chalky” crystals with the slightThese are such eye catching and unique Calcites from the Grabiszyce Quarry, which is in far southwestern Poland near the Czech border. The pieces were collected starting in 2015, but they were not revealed to the public until 2018. According to the information online, the area that produced these specimens is nearly finished, so it seems there will be little available to purchase after the initial offering. They made a big splash at the Tucson Show in
