Indonesian Grape Agate (Radial Spray Terminated Quartz) Display Specimen | Mamuju, West Sulawesi, Indonesia Indo astrophyllite is a specimen that

astrophyllite is a specimen that invites closer inspection

and decorative art for centuries

mineral-rich fluids introduced calcium-bearing zeolite solutions

Although dumortierite has little ancient folklore compared to minerals known for thousands of years

and “vuggy” formations collectors love

Indonesian Grape Agate (Radial Spray Terminated Quartz) Display Specimen | Mamuju, West Sulawesi, Indonesia Indo astrophyllite is a specimen thatThis Grape Agate from Indonesia is famous for its grape like, botryoidal texturebut its not true banded agate. Many specimens are best described as radial sprays aggregates of terminated quartz that grew in clustered spheres, creating that iconic bunch of grapes look. Its a modern collector favorite: sculptural, photogenic, and packed with geological personality. Highlights Collector class texture: iconic grape like clusters (botryoidal habit) Quartz