Calcite - Specimen earring storage box glossy faces

glossy faces

The landscapes of Oligocene South Dakota included open woodlands

Mined from: Grayson County

The enamel is dense and dark grey to black

Australian opal of this type forms in sedimentary environments

Calcite - Specimen earring storage box glossy facesMined from: Linwood Mine, Buffalo, Scott County, Iowa Description: A striking, one of a kind calcite specimen from Iowa, U. S. A., showcasing a dense cluster of sharply terminated crystals in soft gray to clear tones. This piece features a beautiful, natural flower like formation, where countless small, translucent points radiate outward, creating a sparkling, multidimensional surface. The crystals exhibit excellent luster with subtle internal