Quartz with Hedenbergite Inclusions (Prase Quartz)
Approx. Dimensions: 1.75 x 1.5 x 1.75 inches
Approx. Weight: 49 grams
Locality: Mega Horio, Serifos Island, Milos, South Aegean, Greece
Ex: Jack Newcomb Collection
Ex: Curtis Brandt Collection
Acrylic base and putty not included, but can be purchased in our Stands, Mounts, and Accessories section.
This specimen of quartz with Hedenbergite inclusions was acquired from Ward's Natural Science in 1988. Prase quartz specimens from Serifos Island were collected mainly in the 1980's to 1990's.
Hedenbergite is a calcium iron silicate mineral belonging to the pyroxene group, with the chemical formula CaFeSi2O6. It typically forms in metamorphic and igneous rocks, particularly those that have undergone contact or regional metamorphism. Hedenbergite is characterized by its dark green to black color, and it often occurs in granular or massive forms, though well-formed crystals can also be found. This mineral is known for its prismatic crystal habit and two distinct cleavage directions, which are typical features of pyroxenes. Hedenbergite plays a role in geology as an indicator of the conditions under which the host rocks formed and can be associated with other minerals such as garnet, quartz, and magnetite. Its name honors the Swedish chemist M.A. Hedenberg, who contributed to its discovery and study.
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