Calcite Orthoclase and they didn't have color

and they didn't have color quite like this

but this piece features crystals thin enough that the color actually shines through with good backlighting

“chalky” crystals with the slight silvery overtone

and it is certainly very rare to see on the market

This specimen was collected by Robert Stoufer in 1989 and is a superb small cabinet display piece featuring a predominant

Calcite Orthoclase and they didn't have colorThese 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