Mineral: Quartz (variety chalcedony)
Locality: Mamuju area, Sulawesi Barat Province, Indonesia
Dimensions: 91mm x 43mm x 42mm

Description: Main view. Botryoidal lilac chalcedony aggregates resembling a bunch of grapes. Known as “grape chalcedony” and also named “grape agate”. All around the specimen is full of this Quartz variety balls.

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