Calcite - Specimen earring storage box Australian opal of this type

Australian opal of this type forms in sedimentary environments

while feldspar crystallized earlier as the dominant host

while calcite is associated with amplification and clarity

bloodstone has a long history of being used in carved seals

Approximate size of 1 pendant: 28mm x 20mm x 12mmApproximate weight of 1 pendant: 6g

Calcite - Specimen earring storage box Australian opal of this typeMined 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