Grape Agate Chalcedony Cluster – Botryoidal – Sulawesi, Indonesia
This is a stunning specimen of natural grape agate from Sulawesi, Indonesia. The cluster exhibits well-defined botryoidal (grape-like) formations in a gradient of soft lavender and violet. Prized for its unique spherical growth, this is a must-have for any collector.
Specimen details
| Mineral | Quartz |
|---|---|
| Locality | Indonesia |
| Crystal system | Hexagonal |
| Dimensions | 7.4 cm × 3.3 cm × 5.3 cm |
| Weight | 120 g |
| Color | Not specified |
| Size | Small Cabinet (2–4 inches / 5–10 cm) |
| Species | Chalcedony |
| Condition | No damage on display faces |
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About this specimen
Discover the allure of Chalcedony with this exquisite botryoidal cluster from Sulawesi, Indonesia. A rare collector's piece, perfect for mineral enthusiasts and collectors seeking unique specimens.
Chalcedony is a microcrystalline variety of quartz, composed primarily of silicon dioxide (SiO2) and crystallizing in the trigonal crystal system. It has a hardness of 6.5 to 7 on the Mohs scale and displays a waxy to vitreous luster. This particular specimen features well-defined botryoidal formations—rounded, grape-like clusters—that exhibit a delicate gradient of soft lavender and violet hues, characteristic of grape agate from this region. The formations are typically translucent, allowing light to softly penetrate the surface, enhancing its subtle color variations.
Originating from the renowned mines of Sulawesi, Indonesia, this mineral cluster is prized for both its locality and its unusual botryoidal growth pattern. The Sulawesi deposits have gained recognition among collectors for producing fine grape agate specimens that combine aesthetic appeal with geological interest. This specimen’s unique spherical morphology and gentle coloration make it an exceptional addition to any mineral collection, especially for those focusing on chalcedony varieties or botryoidal minerals.
Due to its delicate surface and relative softness compared to other quartz varieties, it is advisable to handle this specimen with care and avoid prolonged exposure to harsh chemicals or direct sunlight to preserve its natural luster and color. Displaying it in a stable environment away from moisture and dust will help maintain its condition over time.
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