Quartz var. Chalcedony. Mamuju, Sulawesi Barat Province (West Sulawesi Province). Sulawesi (Celebes). Indonesia...

Description

Quartz var. Chalcedony
Mamuju, Sulawesi Barat Province (West Sulawesi Province)
Sulawesi (Celebes)
Indonesia
8.35 x 4.41 x 4.06 inches (21.20 x 11.20 x 10.30 cm)

Often referred to as "Grape Agate," this complex botryoidal mass is one of the few purple minerals besides Amethyst. The top example displays incredible luster and an attractive color overall. This is a large example of popular material.

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