Fine Brazilian Banded Agate Geode Slice Specimen, Amethyst Vug Slab, 98 Grams

Description

View Fine Brazilian Banded Agate Geode Slice Specimen, Amethyst Vug Slab, 98 Grams with current marketplace pricing, condition, product images and item details. Its origins in Brazil add to its allure and value, making it a standout piece for enthusiasts of crystals and minerals. These treasures are found in Rio Grande do Sul, mined from basalt, and prized by collectors for their natural beauty, often cut as "cathedrals" or slabs to reveal the intricate internal art. Hello and thank you for viewing our listing This is a stunning Fine Brazilian Banded Agate Geode Slice Specimen, 98 grams, with an Amethyst Vug center. The agate slice showcases the unique banding and patterns that are characteristic of Brazilian agate, while the amethyst vug adds a pop of color and natural beauty. Perfect for collectors or those interested in displaying unique mineral specimens, this piece would make a beautiful addition to any collection or display. Its origins in Brazil add to its allure and value, making it a standout piece for enthusiasts of crystals and minerals. Brazilian banded agate geodes with amethyst centers are volcanic formations from Brazil, featuring colorful agate layers (chalcedony) banding a cavity (vug) filled with purple amethyst crystals, formed by silica-rich fluids depositing layers in ancient lava bubbles over millennia, offering unique patterns and crystal growth. These treasures are found in Rio Grande do Sul, mined from basalt, and prized by collectors for their natural beauty, often cut as "cathedrals" or slabs to reveal the intricate internal art. This means that we are covering the cost of packaging and shipping materials, any Postal Service charges and fees as well as any additional insurance for items selling for more than $100. Please feel free to message us with any questions. We will consider any offer. Thank you again. ************************************************************ Description: Exterior: A rough, nondescript rock, often basalt, hiding the treasure within. Bands (Agate): Concentric layers of chalcedony (microcrystalline quartz) lining the cavity, showing varied colors (whites, browns, reds, blues, greens) from mineral impurities and deposition changes. Vug/Center: A hollow space filled with larger, sparkling amethyst (violet quartz) crystals, sometimes with calcite or other minerals. Types: Can be whole nodules, halves (slabs), or "cathedrals" (upright, polished pieces). History & Formation: Origin: Formed in volcanic rocks (basalt) during the late Jurassic/early Cretaceous period in Brazil's Paraná Basin. Process: Silica-rich groundwater seeped into gas bubbles (vesicles) in cooling lava, depositing layers of chalcedony over time. Genesis: A multi-stage process where the agate bands form first, followed by amethyst crystallization from remaining silica-rich solutions, explains the Ametista do Sul area, Rio Grande do Sul, Brazil, an amethyst-bearing geode. Info & Significance: Location: Primarily Rio Grande do Sul, Brazil (Ametista do Sul region), with related deposits in Uruguay. Mining: Extensively mined for centuries, often supporting small, ethical family suppliers. Metaphysical: Believed to promote balance, enhance focus, transmute negative energy, and connect to higher realms. Treatments: Athough some specimens are heated (mimicking natural geothermal processes) to intensify purple color, which is generally accepted as natural enhancement, I have had this one examined by a few experts and collectors. The general consensus is that this is natural and not heated. Condition: New. Category: Collectibles › Rocks, Fossils & Minerals › Crystals & Mineral Specimens › Display Specimens.

Country of Origin

Brazil