Calcite, Quartz (Var: Chalcedony)

Specimen ID: MNN-WRL

Mineral(s)
Calcite : CaCO3
Quartz (Var: Chalcedony) : SiO2
Locality
Mindat locality:
Events

Photo added to mindat.org

Calcite is common at Halls Gap. Crystals are negative rhombs which are often intergrown to the point of forming hemispherical masses. This geode is about 6 cm wide and is covered in a variety of quartz called chalcedony. Specimen is in the collection of, and photographed by, Alan Goldstein.
Alan Goldstein - 26th November 2004
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