Grape Agate

Exceptional Grape Agate, botryoidal chalcedony. Premium quality! Magnificent lavender-violet color! PROVENANCE: Sulawesi Island, Mamuju region on the west coast of Sulawesi in Indonesia. WEIGHT: 23.80 g. DIMENSIONS: 40 x 38 x 25 mm (length by width by height) Grape Agate, also known as botryoidal chalcedony, is a variety of chalcedony composed of quartz microcrystals with a botryoidal morphology. Analyses, notably Raman spectroscopy, show that it is not an agate, contrary to what its commercial name implies. It is botryoidal chalcedony that resembles a cluster of grapes.

Estimation:€150

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