Grape Agate Sphere


An exquisitely formed sphere showing grape agate formations of a variety of colours.

Grape agate is a marketing name for purple aggregates of tiny quartz crystals with a spherical (botryoidal) habit.

Their common name, 'Grape Agate' was coined because the tiny orbits cluster together to resemble bunches of grapes. The mineral is chalcedony rather than quartz.This specimen shows a particularly pretty inner formation with colours ranging from teal green through a rich cream seam, to lilacs and purples typical of chalcedony.

Size: 70mm diameter

Weight: 380g

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